Vulnerability in MediaWiki
CVE-2021-36128
An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. Autoblocks for CentralAuth-issued suppression blocks are not properly implemented.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- phabricator.wikimedia.org/T281972 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- gerrit.wikimedia.org/r/q/I3e65690695313380c798b62edfda726b6e374f89 (Patch, Vendor Advisory)
- gerrit.wikimedia.org/r/q/I15d14c88a1e30df92c470bc191c4ee573172d4d1 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-36128?
- CVE-2021-36128 is a critical-severity vulnerability in MediaWiki, classified under Improper Handling of Exceptional Conditions. CVSS score: 9.8/10. Published 2021-07-02.
- How severe is CVE-2021-36128?
- Critical severity. CVSS v3 base score is 9.8 out of 10.