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.
CVE ID: CVE-2025-3908
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.2
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vendor: OpenVPN
Product: OpenVPN 3 Linux
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 3.16% (scored less or equal to compared to others)
EPSS Date: 2025-06-17 (when was this score calculated)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false