CVE-2020-35480
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don't exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-35480
Vendor advisory: arch — https://security.archlinux.org/ASA-202101-22
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1.35.1-1 | |
| debian | bookworm | fixed | 1:1.35.1-1 |
| debian | bullseye | fixed | 1:1.35.1-1 |
| debian | forky | fixed | 1:1.35.1-1 |
| debian | sid | fixed | 1:1.35.1-1 |
| debian | trixie | fixed | 1:1.35.1-1 |
References
Verify integrity in audit chain (admin only). AS-IS.