CVE-2014-8104

OpenVPN 2.x before 2.0.11, 2.1.x, 2.2.x before 2.2.3, and 2.3.x before 2.3.6 allows remote authenticated users to cause a denial of service (server crash) via a small control channel packet.

Published: 2014-12-03 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-8104 is rated Moderate Risk (56.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.00%). 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-2014-8104

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 2026-05-13 2.13% 2.00% -0.13%
2 2026-03-01 2.04% 2.13% +0.09%
3 2025-10-22 — 2.04% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8104

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 6.9 [email protected]

Weakness enumeration for CVE-2014-8104

OS Trackers for CVE-2014-8104

vendor priority summary link
debian not yet assigned CVE-2014-8104 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-2014-8104
gentoo normal CVE-2014-8104: 1 GLSA(s) (201412-41), 1 atom(s) (net-misc/openvpn); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8104
suse high CVE-2014-8104 severity important: SUSE including 50 source package names (openvpn, openvpn-2.0.9-143.35.3.1, …), 106 product×package rows across 49 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (49 product lines)): Fixed 76, Known Not Affected 30. https://www.suse.com/security/cve/CVE-2014-8104/
ubuntu medium CVE-2014-8104 medium priority: Ubuntu including 1 source packages (openvpn), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 4, ignored 1. https://ubuntu.com/security/CVE-2014-8104

Affected software / configurations for CVE-2014-8104

Vendor Product Version Raw CPE
mageia mageia 4.0 cpe:2.3:o:mageia:mageia:4.0:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
openvpn openvpn 2.0.1_rc1 cpe:2.3:a:openvpn:openvpn:2.0.1_rc1:*:*:*:*:*:*:*
openvpn openvpn 2.0.1_rc2 cpe:2.3:a:openvpn:openvpn:2.0.1_rc2:*:*:*:*:*:*:*
openvpn openvpn 2.0.1_rc3 cpe:2.3:a:openvpn:openvpn:2.0.1_rc3:*:*:*:*:*:*:*
openvpn openvpn 2.0.1_rc4 cpe:2.3:a:openvpn:openvpn:2.0.1_rc4:*:*:*:*:*:*:*
openvpn openvpn 2.0.1_rc5 cpe:2.3:a:openvpn:openvpn:2.0.1_rc5:*:*:*:*:*:*:*
openvpn openvpn 2.0.1_rc6 cpe:2.3:a:openvpn:openvpn:2.0.1_rc6:*:*:*:*:*:*:*
openvpn openvpn 2.0.1_rc7 cpe:2.3:a:openvpn:openvpn:2.0.1_rc7:*:*:*:*:*:*:*
openvpn openvpn 2.0.2_rc1 cpe:2.3:a:openvpn:openvpn:2.0.2_rc1:*:*:*:*:*:*:*
openvpn openvpn 2.0.3_rc1 cpe:2.3:a:openvpn:openvpn:2.0.3_rc1:*:*:*:*:*:*:*
openvpn openvpn 2.0.4 cpe:2.3:a:openvpn:openvpn:2.0.4:*:*:*:*:*:*:*
openvpn openvpn 2.0.6_rc1 cpe:2.3:a:openvpn:openvpn:2.0.6_rc1:*:*:*:*:*:*:*
openvpn openvpn 2.0.9 cpe:2.3:a:openvpn:openvpn:2.0.9:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc1 cpe:2.3:a:openvpn:openvpn:2.0_rc1:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc2 cpe:2.3:a:openvpn:openvpn:2.0_rc2:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc3 cpe:2.3:a:openvpn:openvpn:2.0_rc3:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc4 cpe:2.3:a:openvpn:openvpn:2.0_rc4:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc5 cpe:2.3:a:openvpn:openvpn:2.0_rc5:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc6 cpe:2.3:a:openvpn:openvpn:2.0_rc6:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc7 cpe:2.3:a:openvpn:openvpn:2.0_rc7:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc8 cpe:2.3:a:openvpn:openvpn:2.0_rc8:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc9 cpe:2.3:a:openvpn:openvpn:2.0_rc9:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc10 cpe:2.3:a:openvpn:openvpn:2.0_rc10:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc11 cpe:2.3:a:openvpn:openvpn:2.0_rc11:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc12 cpe:2.3:a:openvpn:openvpn:2.0_rc12:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc13 cpe:2.3:a:openvpn:openvpn:2.0_rc13:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc14 cpe:2.3:a:openvpn:openvpn:2.0_rc14:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc15 cpe:2.3:a:openvpn:openvpn:2.0_rc15:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc16 cpe:2.3:a:openvpn:openvpn:2.0_rc16:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc17 cpe:2.3:a:openvpn:openvpn:2.0_rc17:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc18 cpe:2.3:a:openvpn:openvpn:2.0_rc18:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc19 cpe:2.3:a:openvpn:openvpn:2.0_rc19:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc20 cpe:2.3:a:openvpn:openvpn:2.0_rc20:*:*:*:*:*:*:*
openvpn openvpn 2.0_rc21 cpe:2.3:a:openvpn:openvpn:2.0_rc21:*:*:*:*:*:*:*
openvpn openvpn 2.0_test1 cpe:2.3:a:openvpn:openvpn:2.0_test1:*:*:*:*:*:*:*
openvpn openvpn 2.0_test2 cpe:2.3:a:openvpn:openvpn:2.0_test2:*:*:*:*:*:*:*
openvpn openvpn 2.0_test3 cpe:2.3:a:openvpn:openvpn:2.0_test3:*:*:*:*:*:*:*
openvpn openvpn 2.0_test4 cpe:2.3:a:openvpn:openvpn:2.0_test4:*:*:*:*:*:*:*
openvpn openvpn 2.0_test5 cpe:2.3:a:openvpn:openvpn:2.0_test5:*:*:*:*:*:*:*
openvpn openvpn 2.0_test6 cpe:2.3:a:openvpn:openvpn:2.0_test6:*:*:*:*:*:*:*
openvpn openvpn 2.0_test7 cpe:2.3:a:openvpn:openvpn:2.0_test7:*:*:*:*:*:*:*
openvpn openvpn 2.0_test8 cpe:2.3:a:openvpn:openvpn:2.0_test8:*:*:*:*:*:*:*
openvpn openvpn 2.0_test9 cpe:2.3:a:openvpn:openvpn:2.0_test9:*:*:*:*:*:*:*
openvpn openvpn 2.0_test10 cpe:2.3:a:openvpn:openvpn:2.0_test10:*:*:*:*:*:*:*
openvpn openvpn 2.0_test11 cpe:2.3:a:openvpn:openvpn:2.0_test11:*:*:*:*:*:*:*
openvpn openvpn 2.0_test12 cpe:2.3:a:openvpn:openvpn:2.0_test12:*:*:*:*:*:*:*
openvpn openvpn 2.0_test14 cpe:2.3:a:openvpn:openvpn:2.0_test14:*:*:*:*:*:*:*
openvpn openvpn 2.0_test15 cpe:2.3:a:openvpn:openvpn:2.0_test15:*:*:*:*:*:*:*
openvpn openvpn 2.0_test16 cpe:2.3:a:openvpn:openvpn:2.0_test16:*:*:*:*:*:*:*
openvpn openvpn 2.0_test17 cpe:2.3:a:openvpn:openvpn:2.0_test17:*:*:*:*:*:*:*
openvpn openvpn 2.0_test18 cpe:2.3:a:openvpn:openvpn:2.0_test18:*:*:*:*:*:*:*
openvpn openvpn 2.0_test19 cpe:2.3:a:openvpn:openvpn:2.0_test19:*:*:*:*:*:*:*
openvpn openvpn 2.0_test20 cpe:2.3:a:openvpn:openvpn:2.0_test20:*:*:*:*:*:*:*
openvpn openvpn 2.0_test21 cpe:2.3:a:openvpn:openvpn:2.0_test21:*:*:*:*:*:*:*
openvpn openvpn 2.0_test22 cpe:2.3:a:openvpn:openvpn:2.0_test22:*:*:*:*:*:*:*
openvpn openvpn 2.0_test23 cpe:2.3:a:openvpn:openvpn:2.0_test23:*:*:*:*:*:*:*
openvpn openvpn 2.0_test24 cpe:2.3:a:openvpn:openvpn:2.0_test24:*:*:*:*:*:*:*
openvpn openvpn 2.0_test25 cpe:2.3:a:openvpn:openvpn:2.0_test25:*:*:*:*:*:*:*
openvpn openvpn 2.0_test26 cpe:2.3:a:openvpn:openvpn:2.0_test26:*:*:*:*:*:*:*
openvpn openvpn 2.0_test27 cpe:2.3:a:openvpn:openvpn:2.0_test27:*:*:*:*:*:*:*
openvpn openvpn 2.0_test28 cpe:2.3:a:openvpn:openvpn:2.0_test28:*:*:*:*:*:*:*
openvpn openvpn 2.0_test29 cpe:2.3:a:openvpn:openvpn:2.0_test29:*:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-1:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-10:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-11:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-12:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-13:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-14:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-15:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-16:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-2:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-3:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-4:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-5:*:*:*:*:*:*
openvpn openvpn 2.1 cpe:2.3:a:openvpn:openvpn:2.1:beta-6:*:*:*:*:*:*

References for CVE-2014-8104

cvelogic Threat Intelligence