CVE-2025-2704

7.5 HIGH

Published: April 02, 2025 Modified: October 23, 2025

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

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://community.openvpn.net/openvpn/wiki/CVE-2025-2704

Source: security@openvpn.net

Broken Link

https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00142.html

Source: security@openvpn.net

http://www.openwall.com/lists/oss-security/2025/04/02/5

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.2%

42th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-754 CWE-754

Affected Vendors

openvpn

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