How severe is CVE-2025-3908?

CVE-2025-3908 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-3908 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3908?

CVE-2025-3908 affects Openvpn Openvpn3linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3908?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-3908 have an EU (EUVD) identifier?

Yes. CVE-2025-3908 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15743.

When was CVE-2025-3908 published?

CVE-2025-3908 was published on 2025-05-19 and last updated on 2026-06-17.

CVE-2025-3908

CVE-2025-3908 is a medium-severity vulnerability in Openvpn Openvpn3linux with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15743
Weakness: CWE-59
Affected product: Openvpn Openvpn3linux
Published: 2025-05-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-3908?: 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.
How severe is CVE-2025-3908?: CVE-2025-3908 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-3908 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3908?: CVE-2025-3908 affects Openvpn Openvpn3linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3908?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3908 have an EU (EUVD) identifier?: Yes. CVE-2025-3908 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15743.
When was CVE-2025-3908 published?: CVE-2025-3908 was published on 2025-05-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openvpn:openvpn3linux:*:*:*:*:*:*:*:*

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