Vulnerability identifier: #VU87676

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24974

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenVPN
Server applications / Remote access servers, VPN

Vendor: openvpn.net

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: 2.6.0 - 2.6.9, 2.5.0 - 2.5.9, 2.4.0 - 2.4.12, 2.2 - 2.2.3, 2.3 - 2.3.18, 2.0 - 2.0_test29, 2.1 - 2.1.28.0

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