Symlink Attack Affecting OpenVPN/openvpn3-linux package, versions [20,24.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published2 Jul 2025
- disclosed19 May 2025
- creditUnknown
Introduced: 19 May 2025
CVE-2025-3908 (opens in a new tab)How to fix?
Upgrade OpenVPN/openvpn3-linux to version 24.1 or higher.
Overview
Affected versions of this package are vulnerable to Symlink Attack via the configuration initialization tool. An attacker can change the ownership and permissions of any directory by creating symlinks that point to the desired target directory. This is only exploitable if the attacker has local access to the system.