Vulnerability Description
An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not check if a user has correct permissions to create and set the content model of a nonexistent page.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | < 1.31.12 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- https://lists.debian.org/debian-lts-announce/2021/05/msg00003.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00006.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://phabricator.wikimedia.org/T270988ExploitIssue TrackingPatch
- https://security.gentoo.org/glsa/202107-40Third Party Advisory
- https://www.debian.org/security/2021/dsa-4889Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00003.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00006.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://phabricator.wikimedia.org/T270988ExploitIssue TrackingPatch
- https://security.gentoo.org/glsa/202107-40Third Party Advisory
- https://www.debian.org/security/2021/dsa-4889Third Party Advisory
FAQ
What is CVE-2021-30155?
CVE-2021-30155 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not check if a user has correct permissions to create and set the content model of ...
How severe is CVE-2021-30155?
CVE-2021-30155 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-30155?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki, Debian Debian Linux, Fedoraproject Fedora.