#VU87676 Improper access control in OpenVPN for Windows - CVE-2024-24974

Vulnerability identifier: #VU87676

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-24974

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenVPN for Windows
Client/Desktop applications / Software for system administration

Vendor: OpenVPN

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions to the interactive service pipe. A remote user can bypass implemented security restrictions and gain unauthorized access to the application.

The vulnerability affects Windows installations only.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenVPN for Windows: 2.0 _ - 2.0.10, 2.1 - 2.1.28.0, 2.2 - 2.2.3, 2.3 - 2.3.18, 2.4.0 - 2.4.12, 2.5.0 - 2.5.9, 2.6.0 - 2.6.9

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External links
https://github.com/OpenVPN/openvpn/releases/tag/v2.6.10
https://github.com/OpenVPN/openvpn/releases/tag/v2.5.10

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.