CVE-2025-50054

Name: CVE-2025-50054
Creator: NVD / NIST
Published: 2025-06-20T07:15:26.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2025-50054 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.22%

12.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openvpn	Ovpn-Dco-Win	<= 1.3.0
Openvpn	Ovpn-Dco-Win	>= 2.4.0, <= 2.5.8

References

https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025Release Notes
https://community.openvpn.net/Security%20Announcements/CVE-2025-50054Vendor Advisory

Timeline

Published: Jun 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-50054?

How severe is CVE-2025-50054?

CVE-2025-50054 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2025-50054?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-50054?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST