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Full vulnerability report · 2022
CVE-2022-42969High confidence

n/a — Inefficient Regular Expression Complexity

n/a · n/a

5.3MediumCVSS 3.1
Recommended action
Within 7 days

Medium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
Optional official sources

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

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

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-2022-0207

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 actionWithin 7 days

Medium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

The py library through 1.11.0 for Python allows remote attackers to conduct a ReDoS (Regular expression Denial of Service) attack via a Subversion repository with crafted info data, because the InfoSvnCommand argument is mishandled. Note: This has been disputed by multiple third parties as not being reproduceable and they argue this is not a valid vulnerability.

What

The py library through 1.11.0 for Python allows remote attackers to conduct a ReDoS (Regular expression Denial of Service) attack via a Subversion repository with crafted info data, because the InfoSvnCommand argument is mishandled. Note: This has been disputed by multiple third parties as not being reproduceable and they argue this is not a valid vulnerability.

Why

The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

What

The py library through 1.11.0 for Python allows remote attackers to conduct a ReDoS (Regular expression Denial of Service) attack via a Subversion repository with crafted info data, because the InfoSvnCommand argument is mishandled. Note: This has been disputed by multiple third parties as not being reproduceable and they argue this is not a valid vulnerability.

Why

The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

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 → Inefficient Regular Expression Complexity → disrupt the affected service
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-1333 ↗

CWE-1333: Inefficient Regular Expression Complexity. The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

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

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

ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.AVNetworkAttack vector: The vulnerable component can be reached over a network.ALowAvailability impact: A successful attack can cause a limited loss.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.PRNonePrivileges required: The attacker does not need an account or existing privileges.SUnchangedScope: The security impact remains within the vulnerable component's authority.UINoneUser interaction: No action by another user is required.
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.
NetworkUnauthenticatedDenial of serviceCWE-1333Public 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-W-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
CERT-FR · French · CERTFR-2025-AVI-0546Multiples vulnérabilités dans les produits IBM

://www.ibm.com/support/pages/node/7238159 Bulletin de sécurité IBM 7238168 du 26 juin 2025 https://www.ibm.com/support/pages/node/7238168 Bulletin de sécurité IBM 7238295 du 27 juin 2025 https://www.ibm.com/support/pages/node/7238295 Bulletin de sécurité IBM 7238297 du 27 juin 2025 https://www.ibm.com/support/pages/node/7238297 Référence CVE CVE-2019-20916 https://www.cve.org/CVERecord?id=CVE-2019-20916 Référence CVE CVE-2020-28493 https://www.cve.org/CVERecord?id=CVE-2020-28493 Référence CVE CVE-2020-29651 https://www.cve.org/CVERecord?id=CVE-2020-29651 Référence CVE CVE-2020-7789 https://www.cve.org/CVERecord?id=CVE-2020-7789 Référence CVE CVE-2022-42969 https://www.cve.org/CVERecord?id=CVE-2022-42969 Référence CVE CVE-2023-1077 https://www.cve.org/CVERecord?id=CVE-2023-1077 Référence CVE CVE-2023-1409 https://www.cve.org/CVERecord?id=CVE-2023-1409 Référence CVE CVE-2023-23934 https://www.cve.org/CVERecord?id=CVE-2023-23934 Référence CVE CVE-2023-25577 https://www.cve.org/CVERecord?id=CVE-2023-25577 Référence CVE CVE-2023-30861 https://www.cve.org/CVERecord?id=CVE-2023-30861 Référence CVE CVE-2023-32681 https://www.cve.org/CVERecord?id=CVE-2023-32681 Référence CVE CVE-2023-46136 https://www.cve.org/CVERecord?id=CVE-2023-46136 Référence CVE CVE-2024-22195 https://www.cve.org/CVERecord?id=CVE-

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0538Multiples vulnérabilités dans VMware Tanzu

on spécifié par l'éditeur. Solutions Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation). Documentation Bulletin de sécurité VMware 35866 du 25 juin 2025 https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35866 Bulletin de sécurité VMware 35867 du 25 juin 2025 https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35867 Référence CVE CVE-2019-20916 https://www.cve.org/CVERecord?id=CVE-2019-20916 Référence CVE CVE-2021-3572 https://www.cve.org/CVERecord?id=CVE-2021-3572 Référence CVE CVE-2022-42969 https://www.cve.org/CVERecord?id=CVE-2022-42969 Référence CVE CVE-2023-29483 https://www.cve.org/CVERecord?id=CVE-2023-29483 Référence CVE CVE-2023-45288 https://www.cve.org/CVERecord?id=CVE-2023-45288 Référence CVE CVE-2023-47248 https://www.cve.org/CVERecord?id=CVE-2023-47248 Référence CVE CVE-2023-48795 https://www.cve.org/CVERecord?id=CVE-2023-48795 Référence CVE CVE-2023-50447 https://www.cve.org/CVERecord?id=CVE-2023-50447 Référence CVE CVE-2024-0243 https://www.cve.org/CVERecord?id=CVE-2024-0243 Référence CVE CVE-2024-11392 https://www.cve.org/CVERecord?id=CVE-2024-11392 Référence CVE CVE-2024-11393 https://www.cve.org/CVERecord?id=CV

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0512Multiples vulnérabilités dans les produits IBM

ERecord?id=CVE-2021-25642 Référence CVE CVE-2021-33036 https://www.cve.org/CVERecord?id=CVE-2021-33036 Référence CVE CVE-2021-37404 https://www.cve.org/CVERecord?id=CVE-2021-37404 Référence CVE CVE-2022-25168 https://www.cve.org/CVERecord?id=CVE-2022-25168 Référence CVE CVE-2022-26612 https://www.cve.org/CVERecord?id=CVE-2022-26612 Référence CVE CVE-2022-30635 https://www.cve.org/CVERecord?id=CVE-2022-30635 Référence CVE CVE-2022-3171 https://www.cve.org/CVERecord?id=CVE-2022-3171 Référence CVE CVE-2022-3509 https://www.cve.org/CVERecord?id=CVE-2022-3509 Référence CVE CVE-2022-3510 https://www.cve.org/CVERecord?id=CVE-2022-3510 Référence CVE CVE-2022-42969 https://www.cve.org/CVERecord?id=CVE-2022-42969 Référence CVE CVE-2023-29267 https://www.cve.org/CVERecord?id=CVE-2023-29267 Référence CVE CVE-2023-29483 https://www.cve.org/CVERecord?id=CVE-2023-29483 Référence CVE CVE-2023-39410 https://www.cve.org/CVERecord?id=CVE-2023-39410 Référence CVE CVE-2023-39663 https://www.cve.org/CVERecord?id=CVE-2023-39663 Référence CVE CVE-2023-42282 https://www.cve.org/CVERecord?id=CVE-2023-42282 Référence CVE CVE-2023-44981 https://www.cve.org/CVERecord?id=CVE-2023-44981 Référence CVE CVE-2023-45178 https://www.cve.org/CVERecord?id=CVE-2023-45178 Référence CVE CVE-2023-45288 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2024-AVI-0878Multiples vulnérabilités dans les produits Splunk

d?id=CVE-2020-36224 Référence CVE CVE-2020-36225 https://www.cve.org/CVERecord?id=CVE-2020-36225 Référence CVE CVE-2020-36226 https://www.cve.org/CVERecord?id=CVE-2020-36226 Référence CVE CVE-2020-36227 https://www.cve.org/CVERecord?id=CVE-2020-36227 Référence CVE CVE-2020-36228 https://www.cve.org/CVERecord?id=CVE-2020-36228 Référence CVE CVE-2020-36229 https://www.cve.org/CVERecord?id=CVE-2020-36229 Référence CVE CVE-2020-36230 https://www.cve.org/CVERecord?id=CVE-2020-36230 Référence CVE CVE-2021-27212 https://www.cve.org/CVERecord?id=CVE-2021-27212 Référence CVE CVE-2022-29155 https://www.cve.org/CVERecord?id=CVE-2022-29155 Référence CVE CVE-2022-42969 https://www.cve.org/CVERecord?id=CVE-2022-42969 Référence CVE CVE-2023-26125 https://www.cve.org/CVERecord?id=CVE-2023-26125 Référence CVE CVE-2023-29401 https://www.cve.org/CVERecord?id=CVE-2023-29401 Référence CVE CVE-2023-2953 https://www.cve.org/CVERecord?id=CVE-2023-2953 Référence CVE CVE-2023-39318 https://www.cve.org/CVERecord?id=CVE-2023-39318 Référence CVE CVE-2023-39319 https://www.cve.org/CVERecord?id=CVE-2023-39319 Référence CVE CVE-2023-39320 https://www.cve.org/CVERecord?id=CVE-2023-39320 Référence CVE CVE-2023-39321 https://www.cve.org/CVERecord?id=CVE-2023-39321 Référence CVE CVE-2023-39322 https://www.cve.org/CVERecord?id=CV

Official advisory
CERT-FR · French · CERTFR-2024-AVI-0350Multiples vulnérabilités dans les produits IBM

d?id=CVE-2017-11468 Référence CVE CVE-2021-32760 https://www.cve.org/CVERecord?id=CVE-2021-32760 Référence CVE CVE-2021-41103 https://www.cve.org/CVERecord?id=CVE-2021-41103 Référence CVE CVE-2021-43784 https://www.cve.org/CVERecord?id=CVE-2021-43784 Référence CVE CVE-2021-43816 https://www.cve.org/CVERecord?id=CVE-2021-43816 Référence CVE CVE-2022-23471 https://www.cve.org/CVERecord?id=CVE-2022-23471 Référence CVE CVE-2022-23648 https://www.cve.org/CVERecord?id=CVE-2022-23648 Référence CVE CVE-2022-29162 https://www.cve.org/CVERecord?id=CVE-2022-29162 Référence CVE CVE-2022-31030 https://www.cve.org/CVERecord?id=CVE-2022-31030 Référence CVE CVE-2022-42969 https://www.cve.org/CVERecord?id=CVE-2022-42969 Référence CVE CVE-2023-2253 https://www.cve.org/CVERecord?id=CVE-2023-2253 Référence CVE CVE-2023-25153 https://www.cve.org/CVERecord?id=CVE-2023-25153 Référence CVE CVE-2023-25173 https://www.cve.org/CVERecord?id=CVE-2023-25173 Référence CVE CVE-2023-25809 https://www.cve.org/CVERecord?id=CVE-2023-25809 Référence CVE CVE-2023-26136 https://www.cve.org/CVERecord?id=CVE-2023-26136 Référence CVE CVE-2023-26159 https://www.cve.org/CVERecord?id=CVE-2023-26159 Référence CVE CVE-2023-27561 https://www.cve.org/CVERecord?id=CVE-2023-27561 Référence CVE CVE-2023-28155 https://www.cve.org/CVERecord?id=CV

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 not verified
Affected
n/a
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
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 16 Oct 2022 · Last source change 14 May 2025, 14:15 UTC · CWE-1333 · Inefficient Regular Expression Complexity

CVE recordCVE.org · 5.1
CVSS sourceCNA
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-2022-0207
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceCISA ADP
NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2022-0207↗CISA Vulnrichment SSVC evidence↗CVE authority or vendor reference↗Public exploit 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-2022-42969 · cve.blacktree.nl