What is CVE-2021-46149?

CVE-2021-46149 is a high-severity vulnerability in Mediawiki, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-01-10.

How severe is CVE-2021-46149?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Mediawiki

CVE-2021-46149

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A denial of service (resource consumption) can be accomplished by searching for a very long key in a Language Name Search.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.012 (65.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mediawiki
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-46149?: CVE-2021-46149 is a high-severity vulnerability in Mediawiki, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-01-10.
How severe is CVE-2021-46149?: High severity. CVSS v3 base score is 7.5 out of 10.