What is CVE-2025-50054?

CVE-2025-50054 is a medium-severity vulnerability in Openvpn Ovpn-dco-win, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2025-06-20.

How severe is CVE-2025-50054?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-50054 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Openvpn Ovpn-dco-win

CVE-2025-50054

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

Vulnerability class: Buffer Overflow

EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Openvpn Ovpn-dco-win — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

security@openvpn.net (Vendor Advisory)
security@openvpn.net (Release Notes)

Frequently asked questions

What is CVE-2025-50054?: CVE-2025-50054 is a medium-severity vulnerability in Openvpn Ovpn-dco-win, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2025-06-20.
How severe is CVE-2025-50054?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-50054 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.