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CVE-2025-50054

Published: Jun 20, 2025Updated: Aug 21, 2025 Sources: CVE List NVD BDUCWE-122
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.2%
Top 87.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-122CWE-787

Affected Products

ovpn-dco-winOpenVPN
On-prem
Networking Infrastructure
OpenVPNOpenVPN, Inc.
Mixed
Security Products / secure-gateway-vpn
ovpn-dco-winopenvpn
On-prem
Networking Infrastructure
openvpnoss-projectUSNetworking Infrastructureaka openvpn access server, connect
openvpn, inc.commercialUSSecurity Productsaka openvpn connect, easy-rsa, openvpn 3 linux

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://community.openvpn.net/Security%20Announcements/CVE-2025-50054
community.openvpn.net
https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025
community.openvpn.net
https://community.openvpn.net/Security%20Announcements/CVE-2025-50054
community.openvpn.net
and 1 more references View all →

Timeline

Published
Jun 20, 2025
Last Updated
Aug 21, 2025

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