CVE-2019-12472
MediaWiki Incorrect Access Control vulnerability
7.5
HIGH
CVSS 3.1
EPSS 0.15%
Description
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
How to fix CVE-2019-12472
To remediate CVE-2019-12472, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.31.2-1 or later
- —upgrade to 1.27.6 or later
Is CVE-2019-12472 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:1.31.2-1
- >= 1.18.0, < 1.27.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |