BlackTreeCVE Intelligence
← Back to the CVE catalogue
Full vulnerability report · 2020
CVE-2020-13871High confidence

SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late

Unknown · Unknown

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

7.5HighCVSS 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 6 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 4.45% 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 6 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 · sourcesqlite3Vendor fix publishedDebian records a fixed source-package version for this release.3.32.2-2Debian Security Tracker ↗Source updated 6 Oct 2026
Debian bookwormbookworm · sourcesqlite3Vendor fix publishedDebian records a fixed source-package version for this release.3.32.2-2Debian Security Tracker ↗Source updated 6 Oct 2026
Debian forkyforky · sourcesqlite3Vendor fix publishedDebian records a fixed source-package version for this release.3.32.2-2Debian Security Tracker ↗Source updated 6 Oct 2026
Debian sidsid · sourcesqlite3Vendor fix publishedDebian records a fixed source-package version for this release.3.32.2-2Debian 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.

2 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
SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.
Remediation
Update to V3.1.5 or later version
SSA-389290 · CSAF 2.0 · revision 1 · finalSiemens ProductCERTSSA-389290: Third-Party Component Vulnerabilities in SINEC INS
1 known affected

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

  • SINEC INS
Summary
SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.
Remediation
Update to V1.0.1.1 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-2020-6079

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 6 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

SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.

What

SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

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

SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

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 → Use After Free → 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
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-416 ↗

CWE-416: Use After Free. The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory belongs to the code that operates on the new pointer.

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:U/C:N/I:N/A:H

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.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
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-416Public 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-2023-1614Tenable Security Nessus Network Monitor: Mehrere Schwachstellen

Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Tenable Security Nessus Network Monitor ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und Daten zu manipulieren.

Official advisory ↗
BSI · German · WID-SEC-2023-0067Oracle MySQL: Mehrere Schwachstellen

Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle MySQL ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20200610Security Bulletin 10 Jun 2020

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 10 Jun 2020, published on 10 June 2020. Open the linked bulletin for the product, severity and reference information published in that issue.

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

d?id=CVE-2020-12762 Référence CVE CVE-2020-13434 https://www.cve.org/CVERecord?id=CVE-2020-13434 Référence CVE CVE-2020-13435 https://www.cve.org/CVERecord?id=CVE-2020-13435 Référence CVE CVE-2020-13529 https://www.cve.org/CVERecord?id=CVE-2020-13529 Référence CVE CVE-2020-13630 https://www.cve.org/CVERecord?id=CVE-2020-13630 Référence CVE CVE-2020-13631 https://www.cve.org/CVERecord?id=CVE-2020-13631 Référence CVE CVE-2020-13632 https://www.cve.org/CVERecord?id=CVE-2020-13632 Référence CVE CVE-2020-13776 https://www.cve.org/CVERecord?id=CVE-2020-13776 Référence CVE CVE-2020-13777 https://www.cve.org/CVERecord?id=CVE-2020-13777 Référence CVE CVE-2020-13871 https://www.cve.org/CVERecord?id=CVE-2020-13871 Référence CVE CVE-2020-14145 https://www.cve.org/CVERecord?id=CVE-2020-14145 Référence CVE CVE-2020-14422 https://www.cve.org/CVERecord?id=CVE-2020-14422 Référence CVE CVE-2020-15358 https://www.cve.org/CVERecord?id=CVE-2020-15358 Référence CVE CVE-2020-15523 https://www.cve.org/CVERecord?id=CVE-2020-15523 Référence CVE CVE-2020-15778 https://www.cve.org/CVERecord?id=CVE-2020-15778 Référence CVE CVE-2020-15801 https://www.cve.org/CVERecord?id=CVE-2020-15801 Référence CVE CVE-2020-1712 https://www.cve.org/CVERecord?id=CVE-2020-1712 Référence CVE CVE-2020-1751 https://www.cve.org/CVERecord?id=CVE

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0499Multiples vulnérabilités dans Tenable Nessus Network Monitor

cord?id=CVE-2019-9936 Référence CVE CVE-2019-9937 https://www.cve.org/CVERecord?id=CVE-2019-9937 Référence CVE CVE-2020-11655 https://www.cve.org/CVERecord?id=CVE-2020-11655 Référence CVE CVE-2020-11656 https://www.cve.org/CVERecord?id=CVE-2020-11656 Référence CVE CVE-2020-13434 https://www.cve.org/CVERecord?id=CVE-2020-13434 Référence CVE CVE-2020-13435 https://www.cve.org/CVERecord?id=CVE-2020-13435 Référence CVE CVE-2020-13630 https://www.cve.org/CVERecord?id=CVE-2020-13630 Référence CVE CVE-2020-13631 https://www.cve.org/CVERecord?id=CVE-2020-13631 Référence CVE CVE-2020-13632 https://www.cve.org/CVERecord?id=CVE-2020-13632 Référence CVE CVE-2020-13871 https://www.cve.org/CVERecord?id=CVE-2020-13871 Référence CVE CVE-2020-14155 https://www.cve.org/CVERecord?id=CVE-2020-14155 Référence CVE CVE-2020-15358 https://www.cve.org/CVERecord?id=CVE-2020-15358 Référence CVE CVE-2020-24977 https://www.cve.org/CVERecord?id=CVE-2020-24977 Référence CVE CVE-2020-35525 https://www.cve.org/CVERecord?id=CVE-2020-35525 Référence CVE CVE-2020-35527 https://www.cve.org/CVERecord?id=CVE-2020-35527 Référence CVE CVE-2020-7595 https://www.cve.org/CVERecord?id=CVE-2020-7595 Référence CVE CVE-2020-9327 https://www.cve.org/CVERecord?id=CVE-2020-9327 Référence CVE CVE-2021-20227 https://www.cve.org/CVERecord?id=CVE-

Official advisory ↗
CERT-FR · French · CERTFR-2022-AVI-650Multiples vulnérabilités dans les produits Juniper

d?id=CVE-2020-10878 Référence CVE CVE-2020-11655 https://www.cve.org/CVERecord?id=CVE-2020-11655 Référence CVE CVE-2020-11656 https://www.cve.org/CVERecord?id=CVE-2020-11656 Référence CVE CVE-2020-12049 https://www.cve.org/CVERecord?id=CVE-2020-12049 Référence CVE CVE-2020-13434 https://www.cve.org/CVERecord?id=CVE-2020-13434 Référence CVE CVE-2020-13435 https://www.cve.org/CVERecord?id=CVE-2020-13435 Référence CVE CVE-2020-13630 https://www.cve.org/CVERecord?id=CVE-2020-13630 Référence CVE CVE-2020-13631 https://www.cve.org/CVERecord?id=CVE-2020-13631 Référence CVE CVE-2020-13632 https://www.cve.org/CVERecord?id=CVE-2020-13632 Référence CVE CVE-2020-13871 https://www.cve.org/CVERecord?id=CVE-2020-13871 Référence CVE CVE-2020-14343 https://www.cve.org/CVERecord?id=CVE-2020-14343 Référence CVE CVE-2020-14363 https://www.cve.org/CVERecord?id=CVE-2020-14363 Référence CVE CVE-2020-14556 https://www.cve.org/CVERecord?id=CVE-2020-14556 Référence CVE CVE-2020-14577 https://www.cve.org/CVERecord?id=CVE-2020-14577 Référence CVE CVE-2020-14578 https://www.cve.org/CVERecord?id=CVE-2020-14578 Référence CVE CVE-2020-14579 https://www.cve.org/CVERecord?id=CVE-2020-14579 Référence CVE CVE-2020-14583 https://www.cve.org/CVERecord?id=CVE-2020-14583 Référence CVE CVE-2020-14593 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2022-AVI-216Multiples vulnérabilités dans les produits Siemens

d?id=CVE-2019-19923 Référence CVE CVE-2019-19924 https://www.cve.org/CVERecord?id=CVE-2019-19924 Référence CVE CVE-2019-19925 https://www.cve.org/CVERecord?id=CVE-2019-19925 Référence CVE CVE-2019-19926 https://www.cve.org/CVERecord?id=CVE-2019-19926 Référence CVE CVE-2020-11655 https://www.cve.org/CVERecord?id=CVE-2020-11655 Référence CVE CVE-2020-11656 https://www.cve.org/CVERecord?id=CVE-2020-11656 Référence CVE CVE-2020-13630 https://www.cve.org/CVERecord?id=CVE-2020-13630 Référence CVE CVE-2020-13631 https://www.cve.org/CVERecord?id=CVE-2020-13631 Référence CVE CVE-2020-13632 https://www.cve.org/CVERecord?id=CVE-2020-13632 Référence CVE CVE-2020-13871 https://www.cve.org/CVERecord?id=CVE-2020-13871 Référence CVE CVE-2020-15358 https://www.cve.org/CVERecord?id=CVE-2020-15358 Référence CVE CVE-2020-1971 https://www.cve.org/CVERecord?id=CVE-2020-1971 Référence CVE CVE-2020-27304 https://www.cve.org/CVERecord?id=CVE-2020-27304 Référence CVE CVE-2020-7774 https://www.cve.org/CVERecord?id=CVE-2020-7774 Référence CVE CVE-2020-8169 https://www.cve.org/CVERecord?id=CVE-2020-8169 Référence CVE CVE-2020-8177 https://www.cve.org/CVERecord?id=CVE-2020-8177 Référence CVE CVE-2020-8231 https://www.cve.org/CVERecord?id=CVE-2020-8231 Référence CVE CVE-2020-8265 https://www.cve.org/CVERecord?id=CVE-2020-82

Official advisory ↗
CERT-FR · French · CERTFR-2021-AVI-837Multiples vulnérabilités dans Google Android

arbitraire à distance Élévation de privilèges Systèmes affectés Google Android toutes versions sans le correctif du 01 novembre 2021 Résumé De multiples vulnérabilités ont été découvertes dans Google Android. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service et une atteinte à la confidentialité des données. Solution Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation). Documentation Bulletin de sécurité Google Android du 01 novembre 2021 https://source.android.com/security/bulletin/pixel/2021-11-01 Référence CVE CVE-2020-13871 https://www.cve.org/CVERecord?id=CVE-2020-13871 Référence CVE CVE-2021-0434 https://www.cve.org/CVERecord?id=CVE-2021-0434 Référence CVE CVE-2021-0649 https://www.cve.org/CVERecord?id=CVE-2021-0649 Référence CVE CVE-2021-0650 https://www.cve.org/CVERecord?id=CVE-2021-0650 Référence CVE CVE-2021-0653 https://www.cve.org/CVERecord?id=CVE-2021-0653 Référence CVE CVE-2021-0672 https://www.cve.org/CVERecord?id=CVE-2021-0672 Référence CVE CVE-2021-0799 https://www.cve.org/CVERecord?id=CVE-2021-0799 Référence CVE CVE-2021-0889 https://www.cve.org/CVERecord?id=CVE-2021-0889 Référence CVE CVE-2021-0918 https://www.cve.org/CVERecord?id=CVE-2021-0918 R

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2020-006142SQLite における解放済みメモリの使用に関する脆弱性

SQLite には、解放済みメモリの使用に関する脆弱性が存在します。

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
A mitigation or workaround reference is available from the source linked below; validate it against the affected product and version.
04

Evidence and provenance

Published 6 Jun 2020 · Last source change 4 Aug 2024, 12:32 UTC · CWE-416 · Use After Free

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-2020-6079
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
CVE published
Fixed release or patch reference recorded
Fixed release recorded from official guidance
ENISA EUVD · EUVD-2020-6079↗Siemens ProductCERT security advisory · Siemens SSA-398330↗CVE authority or vendor reference↗Public exploit reference↗Public exploit reference↗Patch or update reference↗Official CVE record (CNA and ADP data)↗NVD record↗
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-2020-13871 · cve.blacktree.nl