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CVE-2025-50054

MEDIUM
5.5
CVSS Score
Published: June 20, 2025 at 06:29 AM UTC
Updated: June 17, 2026 at 09:34 AM UTC
1 product affected across 1 vendorOvpn Dco Win

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ovpn Dco Win· Openvpn
95%
v ≤ 1.3.0v < 1.3.1v < 2.5.92.4.0 ≤ v ≤ 2.5.8
Affected range stops below 1.3.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.5.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-122CWE-787

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