CVE-2025-2704: - OpenVPN 2.6.1 through 2.6.13 with possible DoS
First published: Wed Apr 02 2025(Updated: )
Last updated 3 April 2025
Credit: security@openvpn.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenVPN Monitor | >=2.6.1<=2.6.13 | |
| debian/openvpn | <=2.5.1-3<=2.5.1-3+deb11u1<=2.6.3-1+deb12u2<=2.6.13-1 | 2.6.14-1 |
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Reference Links
- https://community.openvpn.net/openvpn/wiki/CVE-2025-2704
- http://www.openwall.com/lists/oss-security/2025/04/02/5
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-2704
- https://nvd.nist.gov/vuln/detail/CVE-2025-2704
- https://launchpad.net/bugs/cve/CVE-2025-2704
- https://security-tracker.debian.org/tracker/CVE-2025-2704
- https://ubuntu.com/security/CVE-2025-2704
- https://github.com/OpenVPN/openvpn/commit/788ce35cf09aff09b79f428cdd6cfc0ff8627934
- https://github.com/OpenVPN/openvpn/commit/d3015bfd65348db629dab51e20a9d4e2f3b23493
Frequently Asked Questions
What is the severity of CVE-2025-2704?
CVE-2025-2704 is classified as a denial of service vulnerability affecting OpenVPN versions 2.6.1 through 2.6.13.
How do I fix CVE-2025-2704?
Fixing CVE-2025-2704 involves upgrading OpenVPN to version 2.6.14 or later.
What is the impact of CVE-2025-2704?
The impact of CVE-2025-2704 allows remote attackers to disrupt OpenVPN server operations through packet manipulation.
Who is affected by CVE-2025-2704?
CVE-2025-2704 affects users running OpenVPN versions 2.6.1 through 2.6.13 in server mode with TLS-crypt-v2.
When was CVE-2025-2704 disclosed?
CVE-2025-2704 was disclosed as a vulnerability affecting certain versions of OpenVPN released prior to the fix in 2025.
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