Vulnerability in MediaWiki
CVE-2020-27621
The FileImporter extension in MediaWiki through 1.35.0 was not properly attributing various user actions to a specific user's IP address. Instead, for various actions, it would report the IP address of an internal Wikimedia Foundation server by omitting X-Forwarded-For data. This resulted in an inability to properly audit and attribute various user actions performed via the FileImporter extension.
EPSS: 0.007 (49.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Mediawiki
- N/a — versions n/a
References
- cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-27621?
- CVE-2020-27621 is a medium-severity vulnerability in MediaWiki. CVSS score: 4.3/10. Published 2020-10-22.
- How severe is CVE-2020-27621?
- Medium severity. CVSS v3 base score is 4.3 out of 10.