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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-13086 Detail

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


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  OpenVPN Inc.
CVSS-BT 4.6 MEDIUM
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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://community.openvpn.net/Security%20Announcements/CVE-2025-13086 OpenVPN Inc.
https://www.mail-archive.com/[email protected]/msg00151.html OpenVPN Inc.
https://www.mail-archive.com/[email protected]/msg00152.html OpenVPN Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-940 Improper Verification of Source of a Communication Channel OpenVPN Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-13086
NVD Published Date:
12/03/2025
NVD Last Modified:
12/04/2025
Source:
OpenVPN Inc.