How severe is CVE-2024-4877?

CVE-2024-4877 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-4877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-4877?

CVE-2024-4877 affects Openvpn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-4877?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-4877 have an EU (EUVD) identifier?

Yes. CVE-2024-4877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9647.

When was CVE-2024-4877 published?

CVE-2024-4877 was published on 2025-04-03 and last updated on 2026-06-17.

CVE-2024-4877

CVE-2024-4877 is a high-severity vulnerability in Openvpn with a CVSS 3.x base score of 8.8. 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-268.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9647
Weakness: CWE-268
Affected product: Openvpn
Published: 2025-04-03
Last modified: 2026-06-17

Description

OpenVPN version 2.4.0 through 2.6.10 on Windows allows an external, lesser privileged process to create a named pipe which the OpenVPN GUI component would connect to allowing it to escalate its privileges

Frequently asked questions

What is CVE-2024-4877?: OpenVPN version 2.4.0 through 2.6.10 on Windows allows an external, lesser privileged process to create a named pipe which the OpenVPN GUI component would connect to allowing it to escalate its privileges
How severe is CVE-2024-4877?: CVE-2024-4877 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-4877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-4877?: CVE-2024-4877 affects Openvpn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-4877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-4877 have an EU (EUVD) identifier?: Yes. CVE-2024-4877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9647.
When was CVE-2024-4877 published?: CVE-2024-4877 was published on 2025-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*

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