---
id: CVE-2024-27903
title: >-
  OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded
  from any directory, which allows an attacker to load an arbitrary plug-in
  which can be used to interact with the privileged OpenVPN interactive service.
summary: >-
  OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded
  from any directory, which allows an attacker to load an arbitrary plug-in
  which can be used to interact with the privileged OpenVPN interactive service.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-283
  - CWE-434
vendor: openvpn
product: openvpn
affected:
  - openvpn < 2.5.10
  - 'openvpn >= 2.6.0, < 2.6.10'
patched:
  - openvpn 2.6.10
published: '2024-07-08'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T22:17:16.907'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-27903'
references:
  - url: 'https://community.openvpn.net/openvpn/wiki/CVE-2024-27903'
    label: security@openvpn.net
  - url: >-
      https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/
    label: security@openvpn.net
  - url: >-
      https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html
    label: security@openvpn.net
  - url: 'https://community.openvpn.net/openvpn/wiki/CVE-2024-27903'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
  - score-dispute
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2024-08-23T03:55:36.482126Z'
scores:
  nvd: 9.8
  adp: 7.2
epss: 0.08922
epssPercentile: 0.95269
ingestedAt: '2026-11-05T06:38:03.572Z'
---

## Overview

OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged OpenVPN interactive service.

## Affected

- `openvpn < 2.5.10`
- `openvpn >= 2.6.0, < 2.6.10`

## Remediation

Upgrade past the affected range:

- `openvpn 2.6.10`