CVE-2024-5594

CRITICAL
Published Jan 6, 2025 Modified Nov 3, 2025 CWE-1287

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.

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CVSS v3.1 Score

9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-1287 CWE-1287

Affected Products

Vendor Product
openvpn openvpn

References

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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2024-5594? +
CVE-2024-5594 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2024-5594? +
CVE-2024-5594 affects products from openvpn, specifically: openvpn. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-5594? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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