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Full vulnerability report · 2020
CVE-2020-26116High confidence

n/a — Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Unknown · Unknown

Official source article: Siemens SSA-398330 ↗. Check the applicable product and release in the original source.

7.2HighCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 5 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Critical, raised one band.upgradedsince 4 Aug 2024

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • A structured source references public exploit or proof-of-concept material.
  • The selected CVSS metric records a network-reachable, unauthenticated path with no user interaction.
  • EPSS is 6.36% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Increase monitoring for the attack path and post-exploitation behaviour described in the report.

Verification

  1. Confirm that the asset runs Unknown Unknown and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 3 daysRemediation target: Within 90 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 5 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Debian findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

4 package states
Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcepypy3Vendor fix publishedDebian records a fixed source-package version for this release.7.3.3+dfsg-1Debian Security Tracker ↗Source updated 6 Oct 2026
Debian bookwormbookworm · sourcepypy3Vendor fix publishedDebian records a fixed source-package version for this release.7.3.3+dfsg-1Debian Security Tracker ↗Source updated 6 Oct 2026
Debian forkyforky · sourcepypy3Vendor fix publishedDebian records a fixed source-package version for this release.7.3.3+dfsg-1Debian Security Tracker ↗Source updated 6 Oct 2026
Debian sidsid · sourcepypy3Vendor fix publishedDebian records a fixed source-package version for this release.7.3.3+dfsg-1Debian Security Tracker ↗Source updated 6 Oct 2026
Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current
SSA-398330 · CSAF 2.0 · revision 18 · interimSiemens ProductCERTSSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5
5 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)
  • SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)
Summary
http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.
Remediation
Update to V3.1.5 or later version
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2020-18746

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 5 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.

What

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.

Why

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.

Why

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
Reference recorded

A structured CVE source labels at least one public reference as exploit material. BlackTree has not independently validated that it is safe, reliable or weaponised.

Likely attack path
a network path → Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Changed: exploitation can affect a different security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-74 ↗

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'). The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SChangedScope: The attack can affect a component governed by a different security authority.CLowConfidentiality impact: A successful attack can cause a limited loss.ILowIntegrity impact: A successful attack can cause a limited loss.ANoneAvailability impact: No direct loss is represented by this metric.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkUnauthenticatedCWE-74Public exploit reference
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-2024-0794Dell ECS: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.

Official advisory ↗
BSI · German · WID-SEC-2025-0227IBM QRadar SIEM: Mehrere Schwachstellen

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um seine Privilegien zu erweitern, Administratorrechte zu erlangen, beliebigen Programmcode auszuführen, Informationen offenzulegen, Dateien zu manipulieren oder Sicherheitsvorkehrungen zu umgehen.

Official advisory ↗
BSI · German · WID-SEC-2022-0492Python: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Python ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20200930Security Bulletin 30 Sep 2020

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 30 Sep 2020, published on 30 September 2020. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0395Multiples vulnérabilités dans les produits IBM

rg/CVERecord?id=CVE-2019-7548 Référence CVE CVE-2019-9636 https://www.cve.org/CVERecord?id=CVE-2019-9636 Référence CVE CVE-2019-9740 https://www.cve.org/CVERecord?id=CVE-2019-9740 Référence CVE CVE-2019-9947 https://www.cve.org/CVERecord?id=CVE-2019-9947 Référence CVE CVE-2019-9948 https://www.cve.org/CVERecord?id=CVE-2019-9948 Référence CVE CVE-2020-10735 https://www.cve.org/CVERecord?id=CVE-2020-10735 Référence CVE CVE-2020-14343 https://www.cve.org/CVERecord?id=CVE-2020-14343 Référence CVE CVE-2020-14422 https://www.cve.org/CVERecord?id=CVE-2020-14422 Référence CVE CVE-2020-1747 https://www.cve.org/CVERecord?id=CVE-2020-1747 Référence CVE CVE-2020-26116 https://www.cve.org/CVERecord?id=CVE-2020-26116 Référence CVE CVE-2020-26137 https://www.cve.org/CVERecord?id=CVE-2020-26137 Référence CVE CVE-2020-27619 https://www.cve.org/CVERecord?id=CVE-2020-27619 Référence CVE CVE-2020-27783 https://www.cve.org/CVERecord?id=CVE-2020-27783 Référence CVE CVE-2020-28493 https://www.cve.org/CVERecord?id=CVE-2020-28493 Référence CVE CVE-2020-8492 https://www.cve.org/CVERecord?id=CVE-2020-8492 Référence CVE CVE-2021-20270 https://www.cve.org/CVERecord?id=CVE-2021-20270 Référence CVE CVE-2021-23336 https://www.cve.org/CVERecord?id=CVE-2021-23336 Référence CVE CVE-2021-27291 https://www.cve.org/CVERecord?id=CV

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0050Multiples vulnérabilités dans les produits Juniper Networks

er 2026 https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-SRX-Series-If-a-specific-request-is-processed-by-the-DNS-subsystem-flowd-will-crash-CVE-2026-21920 Bulletin de sécurité Juniper Networks CVE-2026-21921 du 14 janvier 2026 https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-When-telemetry-collectors-are-frequently-subscribing-and-unsubscribing-to-sensors-chassisd-or-rpd-will-crash-CVE-2026-21921 Référence CVE CVE-2015-20107 https://www.cve.org/CVERecord?id=CVE-2015-20107 Référence CVE CVE-2019-20907 https://www.cve.org/CVERecord?id=CVE-2019-20907 Référence CVE CVE-2020-26116 https://www.cve.org/CVERecord?id=CVE-2020-26116 Référence CVE CVE-2020-8492 https://www.cve.org/CVERecord?id=CVE-2020-8492 Référence CVE CVE-2021-3177 https://www.cve.org/CVERecord?id=CVE-2021-3177 Référence CVE CVE-2021-3733 https://www.cve.org/CVERecord?id=CVE-2021-3733 Référence CVE CVE-2021-3737 https://www.cve.org/CVERecord?id=CVE-2021-3737 Référence CVE CVE-2021-4189 https://www.cve.org/CVERecord?id=CVE-2021-4189 Référence CVE CVE-2022-45061 https://www.cve.org/CVERecord?id=CVE-2022-45061 Référence CVE CVE-2024-50302 https://www.cve.org/CVERecord?id=CVE-2024-50302 Référence CVE CVE-2025-59961 https://www.cve.org/CVERecord?id=CVE-2025-5

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-1015Multiples vulnérabilités dans les produits Siemens

d?id=CVE-2020-19909 Référence CVE CVE-2020-21047 https://www.cve.org/CVERecord?id=CVE-2020-21047 Référence CVE CVE-2020-21913 https://www.cve.org/CVERecord?id=CVE-2020-21913 Référence CVE CVE-2020-22218 https://www.cve.org/CVERecord?id=CVE-2020-22218 Référence CVE CVE-2020-24659 https://www.cve.org/CVERecord?id=CVE-2020-24659 Référence CVE CVE-2020-24977 https://www.cve.org/CVERecord?id=CVE-2020-24977 Référence CVE CVE-2020-25692 https://www.cve.org/CVERecord?id=CVE-2020-25692 Référence CVE CVE-2020-25709 https://www.cve.org/CVERecord?id=CVE-2020-25709 Référence CVE CVE-2020-25710 https://www.cve.org/CVERecord?id=CVE-2020-25710 Référence CVE CVE-2020-26116 https://www.cve.org/CVERecord?id=CVE-2020-26116 Référence CVE CVE-2020-27618 https://www.cve.org/CVERecord?id=CVE-2020-27618 Référence CVE CVE-2020-28196 https://www.cve.org/CVERecord?id=CVE-2020-28196 Référence CVE CVE-2020-29361 https://www.cve.org/CVERecord?id=CVE-2020-29361 Référence CVE CVE-2020-29362 https://www.cve.org/CVERecord?id=CVE-2020-29362 Référence CVE CVE-2020-29363 https://www.cve.org/CVERecord?id=CVE-2020-29363 Référence CVE CVE-2020-29562 https://www.cve.org/CVERecord?id=CVE-2020-29562 Référence CVE CVE-2020-29573 https://www.cve.org/CVERecord?id=CVE-2020-29573 Référence CVE CVE-2020-35525 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0513Multiples vulnérabilités dans les produits IBM

095 Bulletin de sécurité IBM 7010099 du 06 juillet 2023 https://www.ibm.com/support/pages/node/7010099 Référence CVE CVE-2015-0254 https://www.cve.org/CVERecord?id=CVE-2015-0254 Référence CVE CVE-2015-20107 https://www.cve.org/CVERecord?id=CVE-2015-20107 Référence CVE CVE-2016-10735 https://www.cve.org/CVERecord?id=CVE-2016-10735 Référence CVE CVE-2018-20060 https://www.cve.org/CVERecord?id=CVE-2018-20060 Référence CVE CVE-2019-18348 https://www.cve.org/CVERecord?id=CVE-2019-18348 Référence CVE CVE-2019-8331 https://www.cve.org/CVERecord?id=CVE-2019-8331 Référence CVE CVE-2019-9740 https://www.cve.org/CVERecord?id=CVE-2019-9740 Référence CVE CVE-2020-26116 https://www.cve.org/CVERecord?id=CVE-2020-26116 Référence CVE CVE-2021-23336 https://www.cve.org/CVERecord?id=CVE-2021-23336 Référence CVE CVE-2021-28861 https://www.cve.org/CVERecord?id=CVE-2021-28861 Référence CVE CVE-2021-3733 https://www.cve.org/CVERecord?id=CVE-2021-3733 Référence CVE CVE-2021-3737 https://www.cve.org/CVERecord?id=CVE-2021-3737 Référence CVE CVE-2021-43138 https://www.cve.org/CVERecord?id=CVE-2021-43138 Référence CVE CVE-2022-0391 https://www.cve.org/CVERecord?id=CVE-2022-0391 Référence CVE CVE-2022-23521 https://www.cve.org/CVERecord?id=CVE-2022-23521 Référence CVE CVE-2022-34917 https://www.cve.org/CVERecord?id=CVE-20

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0051Multiples vulnérabilités dans les produits Juniper

ord?id=CVE-2020-14803 Référence CVE CVE-2020-14871 https://www.cve.org/CVERecord?id=CVE-2020-14871 Référence CVE CVE-2020-15778 https://www.cve.org/CVERecord?id=CVE-2020-15778 Référence CVE CVE-2020-1971 https://www.cve.org/CVERecord?id=CVE-2020-1971 Référence CVE CVE-2020-24489 https://www.cve.org/CVERecord?id=CVE-2020-24489 Référence CVE CVE-2020-24511 https://www.cve.org/CVERecord?id=CVE-2020-24511 Référence CVE CVE-2020-24512 https://www.cve.org/CVERecord?id=CVE-2020-24512 Référence CVE CVE-2020-24513 https://www.cve.org/CVERecord?id=CVE-2020-24513 Référence CVE CVE-2020-25704 https://www.cve.org/CVERecord?id=CVE-2020-25704 Référence CVE CVE-2020-26116 https://www.cve.org/CVERecord?id=CVE-2020-26116 Référence CVE CVE-2020-26137 https://www.cve.org/CVERecord?id=CVE-2020-26137 Référence CVE CVE-2020-27170 https://www.cve.org/CVERecord?id=CVE-2020-27170 Référence CVE CVE-2020-27827 https://www.cve.org/CVERecord?id=CVE-2020-27827 Référence CVE CVE-2020-28196 https://www.cve.org/CVERecord?id=CVE-2020-28196 Référence CVE CVE-2020-28469 https://www.cve.org/CVERecord?id=CVE-2020-28469 Référence CVE CVE-2020-35498 https://www.cve.org/CVERecord?id=CVE-2020-35498 Référence CVE CVE-2020-36322 https://www.cve.org/CVERecord?id=CVE-2020-36322 Référence CVE CVE-2020-36385 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2022-AVI-928Multiples vulnérabilités dans les produits IBM

ERecord?id=CVE-2019-16935 Référence CVE CVE-2019-18348 https://www.cve.org/CVERecord?id=CVE-2019-18348 Référence CVE CVE-2019-9636 https://www.cve.org/CVERecord?id=CVE-2019-9636 Référence CVE CVE-2019-9740 https://www.cve.org/CVERecord?id=CVE-2019-9740 Référence CVE CVE-2019-9947 https://www.cve.org/CVERecord?id=CVE-2019-9947 Référence CVE CVE-2020-11022 https://www.cve.org/CVERecord?id=CVE-2020-11022 Référence CVE CVE-2020-11023 https://www.cve.org/CVERecord?id=CVE-2020-11023 Référence CVE CVE-2020-13936 https://www.cve.org/CVERecord?id=CVE-2020-13936 Référence CVE CVE-2020-15523 https://www.cve.org/CVERecord?id=CVE-2020-15523 Référence CVE CVE-2020-26116 https://www.cve.org/CVERecord?id=CVE-2020-26116 Référence CVE CVE-2020-27619 https://www.cve.org/CVERecord?id=CVE-2020-27619 Référence CVE CVE-2020-28469 https://www.cve.org/CVERecord?id=CVE-2020-28469 Référence CVE CVE-2020-4051 https://www.cve.org/CVERecord?id=CVE-2020-4051 Référence CVE CVE-2020-7598 https://www.cve.org/CVERecord?id=CVE-2020-7598 Référence CVE CVE-2020-7656 https://www.cve.org/CVERecord?id=CVE-2020-7656 Référence CVE CVE-2020-7788 https://www.cve.org/CVERecord?id=CVE-2020-7788 Référence CVE CVE-2020-8203 https://www.cve.org/CVERecord?id=CVE-2020-8203 Référence CVE CVE-2020-8492 https://www.cve.org/CVERecord?id=CVE-2020-84

Official advisory ↗
CERT-FR · French · CERTFR-2021-AVI-791Multiples vulnérabilités dans les produits IBM

ord?id=CVE-2020-15358 Référence CVE CVE-2020-1971 https://www.cve.org/CVERecord?id=CVE-2020-1971 Référence CVE CVE-2020-24330 https://www.cve.org/CVERecord?id=CVE-2020-24330 Référence CVE CVE-2020-24331 https://www.cve.org/CVERecord?id=CVE-2020-24331 Référence CVE CVE-2020-24332 https://www.cve.org/CVERecord?id=CVE-2020-24332 Référence CVE CVE-2020-24977 https://www.cve.org/CVERecord?id=CVE-2020-24977 Référence CVE CVE-2020-25648 https://www.cve.org/CVERecord?id=CVE-2020-25648 Référence CVE CVE-2020-25692 https://www.cve.org/CVERecord?id=CVE-2020-25692 Référence CVE CVE-2020-25712 https://www.cve.org/CVERecord?id=CVE-2020-25712 Référence CVE CVE-2020-26116 https://www.cve.org/CVERecord?id=CVE-2020-26116 Référence CVE CVE-2020-26137 https://www.cve.org/CVERecord?id=CVE-2020-26137 Référence CVE CVE-2020-27618 https://www.cve.org/CVERecord?id=CVE-2020-27618 Référence CVE CVE-2020-27619 https://www.cve.org/CVERecord?id=CVE-2020-27619 Référence CVE CVE-2020-27783 https://www.cve.org/CVERecord?id=CVE-2020-27783 Référence CVE CVE-2020-28196 https://www.cve.org/CVERecord?id=CVE-2020-28196 Référence CVE CVE-2020-28469 https://www.cve.org/CVERecord?id=CVE-2020-28469 Référence CVE CVE-2020-29361 https://www.cve.org/CVERecord?id=CVE-2020-29361 Référence CVE CVE-2020-29362 https://www.cve.org/CVERecord?id=

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2020-011967Python におけるエンコードおよびエスケープに関する脆弱性

Python には、エンコードおよびエスケープに関する脆弱性が存在します。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2020-012041urllib3 におけるインジェクションに関する脆弱性

urllib3 には、インジェクションに関する脆弱性が存在します。 本脆弱性は、CVE-2020-26116 と同様の脆弱性です。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix availability varies by product
Affected
Fixed
Update to V3.1.5 or later version
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 27 Sept 2020 · Last source change 4 Aug 2024, 15:49 UTC · CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2020-18746
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

Missing structured fields: affected product. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    n/a · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    After
    n/a · Fixed: Update to V3.1.5 or later version
    Siemens ProductCERT ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2020-26116 · cve.blacktree.nl