How severe is CVE-2024-5594?

CVE-2024-5594 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2024-5594 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-5594?

CVE-2024-5594 affects Openvpn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-5594?

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-2024-5594 have an EU (EUVD) identifier?

Yes. CVE-2024-5594 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47154.

When was CVE-2024-5594 published?

CVE-2024-5594 was published on 2025-01-06 and last updated on 2026-06-17.

CVE-2024-5594

CVE-2024-5594 is a critical-severity vulnerability in Openvpn with a CVSS 3.x base score of 9.1. 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-1287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-47154
Weakness: CWE-1287
Affected product: Openvpn
Published: 2025-01-06
Last modified: 2026-06-17

Description

OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to inject unexpected arbitrary data ending up in client logs.

Frequently asked questions

What is CVE-2024-5594?: OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to inject unexpected arbitrary data ending up in client logs.
How severe is CVE-2024-5594?: CVE-2024-5594 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2024-5594 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-5594?: CVE-2024-5594 affects Openvpn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-5594?: 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-2024-5594 have an EU (EUVD) identifier?: Yes. CVE-2024-5594 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47154.
When was CVE-2024-5594 published?: CVE-2024-5594 was published on 2025-01-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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