CVE-2021-35197
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
In MediaWiki before 1.31.15, 1.32.x through 1.35.x before 1.35.3, and 1.36.x before 1.36.1, bots have certain unintended API access. When a bot account has a "sitewide block" applied, it is able to still "purge" pages through the MediaWiki Action API (which a "sitewide block" should have prevented).
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-35197
Vendor advisory: arch — https://security.archlinux.org/ASA-202107-7
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1.36.1-1 | |
| debian | bookworm | fixed | 1:1.35.3-1 |
| debian | bullseye | fixed | 1:1.35.4-1~deb11u1 |
| debian | forky | fixed | 1:1.35.3-1 |
| debian | sid | fixed | 1:1.35.3-1 |
| debian | trixie | fixed | 1:1.35.3-1 |
References
Verify integrity in audit chain (admin only). AS-IS.