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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
OpenVPNCNA
---
---
CISA-ADPADP
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 51%
VendorProductVersion
openvpnopenvpn
2.6.0 ≤
𝑥
< 2.6.11
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openvpn
bullseye
vulnerable
bullseye (security)
2.5.1-3+deb11u2
fixed
bookworm
2.6.3-1+deb12u3
fixed
bookworm (security)
2.6.3-1+deb12u4
fixed
trixie
2.6.14-1
fixed
trixie (security)
2.6.14-1+deb13u1
fixed
forky
2.7.0~rc3-1
fixed
sid
2.7.0~rc3-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openvpn
oracular
Fixed 2.6.11-1ubuntu1
released
noble
Fixed 2.6.9-1ubuntu4.1
released
mantic
Fixed 2.6.5-0ubuntu1.2
released
jammy
Fixed 2.5.9-0ubuntu0.22.04.3
released
focal
Fixed 2.4.12-0ubuntu0.20.04.2
released
bionic
Fixed 2.4.4-2ubuntu1.7+esm1
released
xenial
Fixed 2.3.10-1ubuntu2.2+esm2
released
trusty
Fixed 2.3.2-7ubuntu3.2+esm2
released
Common Weakness Enumeration
References
https://community.openvpn.net/openvpn/wiki/CVE-2024-5594
https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07634.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00005.html