Name: CVE-2025-13086: Improper Verification of Source of a Communication Channel
Creator: Rapid7
Published: 2025-12-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-13086, CWE-940, CVSS 7.5, EPSS 0.00641

Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 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

CVSS Details

CVSS 4.0 Base Score: 4.6 (MEDIUM)
CVSS 4.0 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade openvpn	Dec 5, 2025	Dec 3, 2025
Amazon_linux_2023	—	Upgrade openvpn-develUpgrade openvpn-debuginfoUpgrade openvpn-debugsourceUpgrade openvpn	Dec 18, 2025	Dec 3, 2025
Debian	—	Upgrade openvpn	Dec 5, 2025	Dec 5, 2025
Freebsd	—	Upgrade openvpnUpgrade openvpn-devel	Dec 10, 2025	Nov 17, 2025
Ubuntu	—	Upgrade openvpn	Nov 28, 2025	Nov 19, 2025

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence