CVE-2024-27903CWE-283

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…

High · published July 8, 2024

CVSS v3.1
7.2
EPSS
9%
Percentile
95.2
In the wild
Unconfirmed
What it is

🔥 An attacker can load arbitrary plug-ins in OpenVPN on Windows versions 2.6.9 and earlier! Imagine a delivery person dropping off packages at any door, instead of the front desk. 😱 It's like a hotel where guests can sneak in and leave random packages in any room without anyone checking first. This means malicious plug-ins could interact with the highly privileged OpenVPN service without a hitch! With this gaping hole, an attacker could potentially execute arbitrary code within the OpenVPN service, compromising your secure connections and sensitive data. This could lead to a disastrous data breach or unauthorized access to your network — a truly nightmarish scenario!

Put simply

It's like a hotel where guests can sneak in and leave random packages in any room without anyone checking first. This means malicious plug-ins could interact with the highly privileged OpenVPN service without a hitch! The vulnerability arises from OpenVPN's failure to restrict plug-in loading to trusted directories, allowing malicious plug-ins to be executed by the OpenVPN interactive service without proper validation. This flaw affects Windows installations running OpenVPN 2.6.9 and earlier.

What to do

With this gaping hole, an attacker could potentially execute arbitrary code within the OpenVPN service, compromising your secure connections and sensitive data. This could lead to a disastrous data breach or unauthorized access to your network — a truly nightmarish scenario! To protect your system, upgrade OpenVPN to version 2.6.10 or later immediately. Additionally, review your plug-in directories and ensure that only trusted plug-ins are loaded to mitigate any risks. Don't forget to implement strict directory permissions! You've got this! With these steps, you'll be well on your way to securing your OpenVPN setup! 🛡️

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.08922 · 95.2th percentile
Weakness
CWE-283 · Unverified Ownership
Published
2024-07-08T10:27Z
EPSS history
Timeline
  • 08 JUL 10:27Z
    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…
    cvelistv5