CVE-2025-2704 — Improper Check for Unusual or Exceptional Conditions in Openvpn

CWE-754 — Improper Check for Unusual or Exceptional Conditions6 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.7%
top 28.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
OpenvpnDebian Openvpn
Timeline
PublishedApr 2
Latest updateApr 3

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/openvpn< openvpn 2.6.3-1+deb12u3 (bookworm)
▶Debianopenvpn/openvpn< 2.6.3-1+deb12u3+2
▶CVEListV5openvpn/openvpn2.6.1 — 2.6.13
▶NVDopenvpn/openvpn2.6.1 — 2.6.13

🔴Vulnerability Details

3
GHSA
GHSA-5gwv-2q72-gxrm: OpenVPN version 2↗2025-04-02
▶
OSV
CVE-2025-2704: OpenVPN version 2↗2025-04-02
▶
CVEList
CVE-2025-2704: OpenVPN version 2↗2025-04-02
▶

📋Vendor Advisories

2
Ubuntu
OpenVPN vulnerability↗2025-04-03
▶
Debian
CVE-2025-2704: openvpn - OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows re...↗2025
▶