CVE-2021-36128

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Published Jul 2, 2021 CVSS 3.1 · 9.8 Critical EPSS 1.5% KEV · Not listed

Description

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. Autoblocks for CentralAuth-issued suppression blocks are not properly implemented.

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

Source	ID	Title
EUVD	EUVD-2021-22760	An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. Autoblocks for CentralAuth-issued suppression blocks are not properly implemented.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.5% (1.498% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gerrit.wikimedia.org/r/q/I15d14c88a1e30df92c470bc191c4ee573172d4d1
https://gerrit.wikimedia.org/r/q/I3e65690695313380c798b62edfda726b6e374f89
https://phabricator.wikimedia.org/T281972

History

No history.

Subscriptions

Mediawiki Mediawiki

Weaknesses

CWE-755

Sources

CVE record Updated: Aug 4, 2024, 12:47 AM

Status: PUBLISHED
Assigner: mitre
Published: Jul 2, 2021, 1:00 PM
Updated: Aug 4, 2024, 12:47 AM
Reserved: Jul 2, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:58 AM

Status: Modified
Published: Jul 2, 2021, 1:15 PM
Modified: Jun 17, 2026, 3:58 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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