CVE-2025-23419: TLS Session Resumption Vulnerability
First published: Wed Feb 05 2025(Updated: )
Last updated 24 February 2025
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NGINX | =28 | 33 |
| Nginx | >=1.11.4<=1.27.3 | 1.27.431.26.33 |
| debian/nginx | <=1.18.0-6.1+deb11u3 | 1.18.0-6.1+deb11u4 1.22.1-9+deb12u1 1.26.3-2 |
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Reference Links
- https://my.f5.com/manage/s/article/K000149173
- http://www.openwall.com/lists/oss-security/2025/02/05/8
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-23419
- https://nvd.nist.gov/vuln/detail/CVE-2025-23419
- https://launchpad.net/bugs/cve/CVE-2025-23419
- https://security-tracker.debian.org/tracker/CVE-2025-23419
- https://ubuntu.com/security/CVE-2025-23419
- https://www.openwall.com/lists/oss-security/2025/02/05/8
- https://github.com/nginx/nginx/commit/13935cf9fdc3c8d8278c70716417d3b71c36140e
Frequently Asked Questions
What is the severity of CVE-2025-23419?
CVE-2025-23419 is considered a high severity vulnerability due to its potential to bypass client certificate authentication.
How do I fix CVE-2025-23419?
To mitigate CVE-2025-23419, update NGINX Plus to version 28 or NGINX Open Source to a version beyond 1.27.3.
What type of attack does CVE-2025-23419 enable?
CVE-2025-23419 allows an authenticated attacker to bypass client certificate authentication using session resumption.
Which software is affected by CVE-2025-23419?
CVE-2025-23419 affects NGINX Plus version 28 and NGINX Open Source versions between 1.11.4 and 1.27.3.
What configurations are impacted by CVE-2025-23419?
CVE-2025-23419 impacts servers with name-based virtual hosts sharing the same IP address and port using TLS 1.3.
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