CVE-2019-12472
UnknownEPSS 1.36%
Last modified
CVE-2019-12472 is a vulnerability of currently unknown severity. 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 ($wgBlockCIDRLimit) by using the API. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
Description
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | >= 1.18.0, < 1.27.6 |
| Mediawiki | Mediawiki | >= 1.30.0, < 1.30.2 |
| Mediawiki | Mediawiki | >= 1.31.0, < 1.31.2 |
| Mediawiki | Mediawiki | >= 1.32.0, < 1.32.2 |
References
- https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.htmlPatch, Third Party Advisory
- https://phabricator.wikimedia.org/T199540Issue Tracking, Third Party Advisory
- https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.htmlPatch, Third Party Advisory
- https://phabricator.wikimedia.org/T199540Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-12472?
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 severe is CVE-2019-12472?
Severity scoring for CVE-2019-12472 is pending analysis. The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12472?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2019-12472?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST