Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
Advisories
Source ID Title
Debian DSA Debian DSA DSA-6069-1 openvpn security update
Ubuntu USN Ubuntu USN USN-7898-1 OpenVPN vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 03 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Dec 2025 20:00:00 +0000

Type Values Removed Values Added
Description Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
Weaknesses CWE-940
References
Metrics cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U'}


cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2025-12-03T21:49:07.801Z

Reserved: 2025-11-12T19:37:55.606Z

Link: CVE-2025-13086

cve-icon Vulnrichment

Updated: 2025-12-03T21:49:02.639Z

cve-icon NVD

Status : Received

Published: 2025-12-03T20:16:24.353

Modified: 2025-12-03T20:16:24.353

Link: CVE-2025-13086

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.