CVE-2025-2704

7.5 highEPSS 0.8%

High (7.5) in openvpn openvpn. EPSS 0.8% chance of exploitation in the next 30 days.

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-754
Published: 2025-04-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

openvpn:openvpn

References

https://community.openvpn.net/openvpn/wiki/CVE-2025-2704
https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00142.html
http://www.openwall.com/lists/oss-security/2025/04/02/5

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