Vulnerability · Published Dec 24, 2021 · Assigned by mitre
CVE-2021-45471
Medium 5.3
In plain English
A medium-severity security flaw in the mediawiki package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.2%top 30.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In MediaWiki through 1.37, blocked IP addresses are allowed to edit EntitySchema items.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2021-45471 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2021-45471 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2021-45471 |
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T296578 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c x_refsource_MISC
- FEDORA-2021-bef1126908 vendor-advisory, x_refsource_FEDORA