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CVE-2025-3908

Good to know:

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Date: May 19, 2025

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.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-3908
https://community.openvpn.net/Security%20Announcements/CVE-2025-3908
http://www.openwall.com/lists/oss-security/2025/05/20/2
https://www.mend.io/vulnerability-database/CVE-2025-3908

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

Top Fix

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Upgrade Version

Upgrade to version https://github.com/OpenVPN/openvpn3-linux.git - v24.1

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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