CVE-2025-13086
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…
Does this matter?
Lower severity and a low EPSS score (0.64%). Track it; it rarely justifies an emergency change on its own.
Description
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 4.0
- 4.6 MEDIUMCVSS: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/M
- EPSS
- 0.64% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-940
- Affected
- openvpn/openvpn
- Source
- security@openvpn.net
References
- https://community.openvpn.net/Security%20Announcements/CVE-2025-13086Vendor Advisory
- https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00151.htmlMailing List, Release Notes
- https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.htmlMailing List, Release Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.