What is the CVSS score of CVE-2021-36125?

CVE-2021-36125 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.0%.

Is there a public PoC exploit available for CVE-2021-36125?

Yes, a public proof-of-concept exploit is available for CVE-2021-36125. Prioritise patching immediately. EPSS: 1.0%.

Is there a patch available for CVE-2021-36125?

Yes, a patch is available for CVE-2021-36125. Update the affected software to the latest version immediately.

Mediawiki CVE-2021-36125

HIGH

Loop with Unreachable Exit Condition (Infinite Loop) (CWE-835)

2021-07-02 cve@mitre.org

Denial Of Service Mediawiki

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 02, 2021 - 13:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalRenameRequest page is vulnerable to infinite loops and denial of service attacks when a user's current username is beyond an arbitrary maximum configuration value (MaxNameChars).

AnalysisAI

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-835. An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalRenameRequest page is vulnerable to infinite loops and denial of service attacks when a user's current username is beyond an arbitrary maximum configuration value (MaxNameChars). Affected products include: Mediawiki. Version information: through 1.36..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.