CVE & CISA-KEV Catalog

CVE-2021-36127

MEDIUM
4.3
CVSS v3
NVD

Description

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalUserRights page provided search results which, for a suppressed MediaWiki user, were different than for any other user, thus easily disclosing suppressed accounts (which are supposed to be completely hidden).

CWE-922

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

0.74%probability of exploitation in 30 days
50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

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CVE-2021-36127 severity badge

Markdown

[![CVE-2021-36127](https://tridentstack.com/cve/badge/CVE-2021-36127.svg)](https://tridentstack.com/cve/CVE-2021-36127)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-36127"><img src="https://tridentstack.com/cve/badge/CVE-2021-36127.svg" alt="CVE-2021-36127"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.