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.

Published: 2025-01-06 Last update: 2025-11-03 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-5594 is rated Moderate Risk (60.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.52%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-5594

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-28 0.28% 0.52% +0.24%
2 2025-10-02 0.25% 0.28% +0.03%
3 2025-09-22 0.25%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-5594

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-5594

OS Trackers for CVE-2024-5594

vendor priority summary link
alpine CVE-2024-5594: 1 source package rows (openvpn); 53 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 46. https://security.alpinelinux.org/vuln/CVE-2024-5594
debian not yet assigned CVE-2024-5594 not yet assigned priority: Debian including 1 source packages (openvpn), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2024-5594
suse medium CVE-2024-5594 severity moderate: SUSE including 21 source package names (latest:libgcrypt20-1.10.3-slfo.1.1_2.1, libgcrypt20-1.10.3-slfo.1.1_2.1, …), 95 product×package rows across 48 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (48 product lines)): Fixed 95. https://www.suse.com/security/cve/CVE-2024-5594/
ubuntu medium CVE-2024-5594 medium priority: Ubuntu including 1 source packages (openvpn), 9 status rows across 9 suites (bionic, focal, jammy, mantic, noble, oracular, trusty, upstream, xenial): released 9. https://ubuntu.com/security/CVE-2024-5594

Affected software / configurations for CVE-2024-5594

Vendor Product Version Raw CPE
openvpn openvpn >= 2.6.0, < 2.6.11 cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*

References for CVE-2024-5594

cvelogic Threat Intelligence