Vulnerability · Published Dec 17, 2021 · Assigned by mitre
CVE-2021-45038
Medium 5.3
In plain English
A medium-severity security flaw in the mediawiki package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. By using an action=rollback query, attackers can view private wiki contents.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.35.5-1 | DEBIAN-CVE-2021-45038 |
| Debian:13 | mediawiki | 1:1.35.5-1 | DEBIAN-CVE-2021-45038 |
| Debian:14 | mediawiki | 1:1.35.5-1 | DEBIAN-CVE-2021-45038 |
| Ubuntu:22.04:LTS | mediawiki | 1:1.35.5-1 | UBUNTU-CVE-2021-45038 |