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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00282.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OpenVPN OpenVPN unaffected
Version Status Constraints
0 affected < 2.6.11

Configuration 1 [-]

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

No data.

No data.

Project Subscriptions

Vendors Products
Openvpn Subscribe
Openvpn Subscribe
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
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://community.openvpn.net/openvpn/wiki/CVE-2024-5594 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/03/msg00005.html cve-icon
https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07634.html cve-icon cve-icon
History

Mon, 03 Nov 2025 21:30:00 +0000

Type Values Removed Values Added
References

Tue, 10 Jun 2025 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn
CPEs cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*
Vendors & Products Openvpn
Openvpn openvpn

Wed, 02 Apr 2025 21:15:00 +0000

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.

Mon, 06 Jan 2025 17:15:00 +0000

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'}

Mon, 06 Jan 2025 14:00:00 +0000

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2025-11-03T20:48:53.705Z

Reserved: 2024-06-03T08:46:40.371Z

Link: CVE-2024-5594

cve-icon Vulnrichment

Updated: 2025-01-06T16:56:55.596Z

cve-icon NVD

Status : Modified

Published: 2025-01-06T14:15:08.807

Modified: 2025-11-03T21:18:47.610

Link: CVE-2024-5594

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses