CVE-2024-5594

Published Jan 6, 2025 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4079-1 openvpn security update
Debian DLA Debian DLA DLA-4079-2 openvpn regression update
Ubuntu USN Ubuntu USN USN-6860-1 OpenVPN vulnerabilities
Ubuntu USN Ubuntu USN USN-7340-1 OpenVPN vulnerabilities
History
Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn
CPEs cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*
Vendors & Products Openvpn
Openvpn openvpn
Type Values Removed Values Added
Description OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which attackers can use to inject unexpected arbitrary data into third-party executables or plug-ins. 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.
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which attackers can use to inject unexpected arbitrary data into third-party executables or plug-ins.
Weaknesses CWE-1287
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
OpenVPN
Published
Updated
Nov 3, 2025, 8:48 PM
Reserved
Jun 3, 2024, 8:46 AM
Status
Modified
Published
Jan 6, 2025, 2:15 PM
Modified
Jun 17, 2026, 8:16 AM