Vulnerability DatabaseCVE-2025-2704
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CVE-2025-2704
April 02, 2025
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
Affected Packages
https://github.com/OpenVPN/openvpn.git (GITHUB):
Affected version(s) >=v2.6.1 <v2.6.14
Fix Suggestion:
Update to version v2.6.14
Related Resources (5)
https://security.alpinelinux.org/vuln/CVE-2025-2704
https://community.openvpn.net/openvpn/wiki/CVE-2025-2704
https://security-tracker.debian.org/tracker/CVE-2025-2704
http://www.openwall.com/lists/oss-security/2025/04/02/5
https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00142.html
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Check for Unusual or Exceptional Conditions
CWE-754
EPSS
Base Score:
0.57