VDB
CVE-2020-35480
CVE-2020-35480
PUBLISHED
CVSS 5.300000190734863 MEDIUM
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.
EPSS 1.49% · 73.8th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
1.49%
73.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | mediawiki | 0, 1:1.39.4-2, 1:1.39.5-1 |
| Ubuntu:20.04:LTS | mediawiki | 1:1.31.7-1, *, 1:1.31.5-2 |
| Ubuntu:25.10 | mediawiki | 1:1.43.1+dfsg-1, 0, 1:1.43.3+dfsg-1 |
| Ubuntu:22.04:LTS | mediawiki | 0, 1:1.35.3-1, 1:1.35.5-1ubuntu1 |
| Ubuntu:18.04:LTS | mediawiki | 0, 1:1.27.3-1, 1:1.27.4-1 |
Timeline
- Dec 18, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 3, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Nov 12, 2022 EPSS Score
References
- https://phabricator.wikimedia.org/T120883 third-party-advisory
- https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html third-party-advisory
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-35480 third-party-advisory
- https://ubuntu.com/security/CVE-2020-35480 advisory