CVE-2025-3908: Medium severity openvpn vulnerability

Published May 19, 2025
·
Updated

The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory.

Affected Software

3 affected components
OpenVPN OpenVPN 3 Linux>=20<=24
All of the following
OpenVPN Openvpn3linux>=20<=24
Linux Linux kernel

Event History

May 19, 2025
CVE Published
via MITRE·02:59 PM
Data Sourced
via MITRE·02:59 PM
DescriptionWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-3908?

CVE-2025-3908 is considered to have a medium severity level due to its ability to allow local attackers to modify directory permissions.

2

How do I fix CVE-2025-3908?

To fix CVE-2025-3908, upgrade to OpenVPN 3 Linux version 25 or newer, which addresses the vulnerability.

3

Who is affected by CVE-2025-3908?

CVE-2025-3908 affects users of OpenVPN 3 Linux versions 20 to 24.

4

What does CVE-2025-3908 exploit?

CVE-2025-3908 exploits symlink vulnerabilities in the configuration initialization tool, allowing modifications to directory ownership and permissions.

5

Can CVE-2025-3908 lead to further attacks?

Yes, CVE-2025-3908 can potentially lead to privilege escalation and unauthorized access due to altered directory permissions.

Contact

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