Cyber Resilience

CVE-2022-28203

HighPublic PoC

Published: 19 September 2022

Published
19 September 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0042 62.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-28203 is a high-severity Release of Invalid Pointer or Reference (CWE-763) vulnerability in Mediawiki Mediawiki. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 37.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A denial-of-service issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. When many files exist, requesting Special:NewFiles with actor as a condition can result in a very long running query.

CWE(s)
CWE-763

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mediawiki
mediawiki
≤ 1.35.6 · 1.36.0 — 1.36.4 · 1.37.0 — 1.37.2
debian
debian linux
10.0, 11.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References