Critical severity · published Jan 6, 2025
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
9.1
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenVPN · OpenVPN
before 2.6.11 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-5594
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-5594
Vendor Advisory
https://community.openvpn.net/openvpn/wiki/CVE-2024-5594
Release Notes
https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07634.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/03/msg00005.html
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