CVE-2025-13086

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 50.6% of scored records. A rank, not a probability.

NVD base score

4.6 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS 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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-25.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-12-03 19:54Z10 MO AGO

Last updated

2025-12-12 13:50Z10 MO AGO

Reserved

2025-11-12

Assigning CNA

OpenVPN

Record state

PUBLISHED

Severity

Medium (CVSS 4.6)

CNA CVSS 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

Weaknesses

• CWE-940Improper Verification of Source of a Communication ChannelBase

Data version

5.2

Document digest

40fa794334142d4e2c1a82961a5f319a843e6fc3dfb0903fc2ee9b2ad5fe93de

• community.openvpn.nethttps://community.openvpn.net/Security%20Announcements/CVE-2025-13086vendor-advisory
• www.mail-archive.comhttps://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.htmlrelease-notes
• www.mail-archive.comhttps://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00151.htmlrelease-notes