CVE Alert: CVE-2025-47947
Vulnerability Summary: CVE-2025-47947
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Versions up to and including 2.9.8 are vulnerable to denial of service in one special case (in stable released versions): when the payload’s content type is `application/json`, and there is at least one rule which does a `sanitiseMatchedBytes` action. A patch is available at pull request 3389 and expected to be part of version 2.9.9. No known workarounds are available.
Affected Endpoints:
No affected endpoints listed.
Published Date:
5/21/2025, 10:15:50 PM
🔥 CVSS Score:
Exploit Status:
Not ExploitedReferences:
- https://github.com/owasp-modsecurity/ModSecurity/pull/3389
- https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-859r-vvv8-rm8r
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
A considerable amount of time and effort goes into maintaining this website, creating backend automation and creating new features and content for you to make actionable intelligence decisions. Everyone that supports the site helps enable new functionality.
If you like the site, please support us on “Patreon” or “Buy Me A Coffee” using the buttons below
To keep up to date follow us on the below channels.
