CVE-2021-31545 - Vulnerability Details - OpenCVE

Description

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The page_recent_contributors leaked the existence of certain deleted MediaWiki usernames, related to rev_deleted.

Published: 2021-04-22

Score: 5.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-18442	An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The page_recent_contributors leaked the existence of certain deleted MediaWiki usernames, related to rev_deleted.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.002.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gerrit.wikimedia.org/r/q/I8d5ed9ca84282ee50832035af86123633fc88293
https://phabricator.wikimedia.org/T71367

History

No history.

Subscriptions

Mediawiki Mediawiki

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-22T02:30:59.000Z

Updated: 2024-08-03T23:03:33.417Z

Reserved: 2021-04-22T00:00:00.000Z

Link: CVE-2021-31545

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-22T03:15:07.937

Modified: 2024-11-21T06:05:52.977

Link: CVE-2021-31545

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-200

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