What is the CVSS score of CVE-2025-50054?

CVE-2025-50054 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Ovpn Dco Win are affected by CVE-2025-50054?

Organizations using OpenVPN ovpn-dco-win should be aware of moderate risk from CVE-2025-50054, a heap-based buffer overflow vulnerability rated CVSS 5.5.. A patch is available.

How to fix or mitigate CVE-2025-50054?

Within 30 days: Identify affected systems running OpenVPN ovpn-dco-win and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Ovpn Dco Win CVE-2025-50054

EUVD-2025-18726 MEDIUM

Heap-based Buffer Overflow (CWE-122)

2025-06-20 security@openvpn.net

Buffer Overflow Heap Overflow Ovpn Dco Win

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Patch available

Apr 16, 2026 - 05:29 EUVD

2.5.9,1.3.1

EUVD ID Assigned

Mar 15, 2026 - 00:19 euvd

EUVD-2025-18726

Analysis Generated

Mar 15, 2026 - 00:19 vuln.today

CVE Published

Jun 20, 2025 - 07:15 nvd

MEDIUM 5.5

DescriptionCVE.org

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

Analysis

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Heap-based Buffer Overflow (CWE-122).

RemediationAI

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

More from same product – last 7 days

CVE-2026-11604 MEDIUM This Month

5.6 Jun 10

Heap-based buffer overflow in OpenVPN's ovpn-dco-win Windows kernel driver (versions 2.0.0-2.8.3) allows a remote authen

CVE-2025-50054 vulnerability details – vuln.today

Back

Ovpn Dco Win CVE-2025-50054

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

More from same product – last 7 days

Share

External POC / Exploit Code