How severe is CVE-2025-13751?

CVE-2025-13751 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-13751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-13751?

CVE-2025-13751 primarily affects Openvpn. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-13751?

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

Does CVE-2025-13751 have an EU (EUVD) identifier?

Yes. CVE-2025-13751 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200999.

When was CVE-2025-13751 published?

CVE-2025-13751 was published on 2025-12-03 and last updated on 2026-06-17.

CVE-2025-13751

CVE-2025-13751 is a medium-severity vulnerability in Openvpn with a CVSS 3.x base score of 5.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 1.3
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200999
Weakness: CWE-770
Affected product: Openvpn
Published: 2025-12-03
Last modified: 2026-06-17

Description

Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service.

Frequently asked questions

What is CVE-2025-13751?: Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service.
How severe is CVE-2025-13751?: CVE-2025-13751 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-13751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-13751?: CVE-2025-13751 primarily affects Openvpn. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-13751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-13751 have an EU (EUVD) identifier?: Yes. CVE-2025-13751 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200999.
When was CVE-2025-13751 published?: CVE-2025-13751 was published on 2025-12-03 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:alpha1:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:alpha2:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:alpha3:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:beta1:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:beta2:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:beta3:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:rc1:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn:2.7:rc2:*:*:community:*:*:*

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