How severe is CVE-2024-27903?

CVE-2024-27903 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-27903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27903?

CVE-2024-27903 affects Openvpn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27903?

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

Does CVE-2024-27903 have an EU (EUVD) identifier?

Yes. CVE-2024-27903 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25095.

When was CVE-2024-27903 published?

CVE-2024-27903 was published on 2024-07-08 and last updated on 2026-06-17.

CVE-2024-27903

CVE-2024-27903 is a critical-severity vulnerability in Openvpn with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-25095
Weakness: CWE-434
Affected product: Openvpn
Published: 2024-07-08
Last modified: 2026-06-17

Description

OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged OpenVPN interactive service.

Frequently asked questions

What is CVE-2024-27903?: OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged OpenVPN interactive service.
How severe is CVE-2024-27903?: CVE-2024-27903 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-27903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27903?: CVE-2024-27903 affects Openvpn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-27903 have an EU (EUVD) identifier?: Yes. CVE-2024-27903 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25095.
When was CVE-2024-27903 published?: CVE-2024-27903 was published on 2024-07-08 and last updated on 2026-06-17.

References

Affected products (1)

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

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