Auth bypass in Mediawiki
CVE-2021-36132
An issue was discovered in the FileImporter extension in MediaWiki through 1.36. For certain relaxed configurations of the $wgFileImporterRequiredRight variable, it might not validate all appropriate user rights, thus allowing a user with insufficient rights to perform operations (specifically file uploads) that they should not be allowed to perform.
Vulnerability class: Broken Access Control
EPSS: 0.010 (59.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mediawiki
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-36132?
- CVE-2021-36132 is a high-severity vulnerability in Mediawiki, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-07-02.
- How severe is CVE-2021-36132?
- High severity. CVSS v3 base score is 8.8 out of 10.