CVE-2024-40596

View on CVE.org

Published Jul 6, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Description

An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The Special:Investigate feature can expose suppressed information for log events. (TimelineService does not support properly suppressing.)

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.332% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://phabricator.wikimedia.org/T326866

History

No history.

Subscriptions

Mediawiki Mediawiki

Weaknesses

CWE-532

Sources

CVE record Updated: Mar 18, 2025, 3:21 PM

Status: PUBLISHED
Assigner: mitre
Published: Jul 6, 2024, 12:00 AM
Updated: Mar 18, 2025, 3:21 PM
Reserved: Jul 6, 2024, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 4:33 AM

Updated: Aug 2, 2024, 4:33 AM

NVD Updated: Jun 17, 2026, 7:46 AM

Status: Modified
Published: Jul 7, 2024, 12:15 AM
Modified: Jun 17, 2026, 7:46 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED70437F-2E16-47AE-AA89-A497DCC3C8EC", "versionEndIncluding": "1.42.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The Special:Investigate feature can expose suppressed information for log events. (TimelineService does not support properly suppressing.)"}, {"lang": "es", "value": " Se descubri\u00f3 un problema en la extensi\u00f3n CheckUser para MediaWiki hasta 1.42.1. La funci\u00f3n Special:Investigate puede exponer informaci\u00f3n suprimida para eventos de registro. (TimelineService no admite la supresi\u00f3n adecuada)."}], "id": "CVE-2024-40596", "lastModified": "2026-06-17T07:46:09.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-40596", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-07-08T13:45:32.457314Z", "version": "2.0.3"}}]}, "published": "2024-07-07T00:15:10.067", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "https://phabricator.wikimedia.org/T326866"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://phabricator.wikimedia.org/T326866"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-532"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-532"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}