UpHeron
All vulnerabilities

Servers and applications

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.

Severity
Medium 6.8
Published
3 Dec 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.5% in the next 30 daysHigher than 89% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Over the network · Needs a login
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
OpenVPNServers and applications · cpe:a:openvpn:openvpn
  • Version 2.3.5
  • Version 2.3.4
  • Version 2.3.3
  • Version 2.3.2
All 124 release lines
  • Version 2.0_rc1
  • Version 2.0_rc2
  • Version 2.0_rc3
  • Version 2.0_rc4
  • Version 2.0_rc5
  • Version 2.0_rc6
  • Version 2.0_rc7
  • Version 2.0_rc8
  • Version 2.0_rc9
  • Version 2.0_rc10
  • Version 2.0_rc11
  • Version 2.0_rc12
  • Version 2.0_rc13
  • Version 2.0_rc14
  • Version 2.0_rc15
  • Version 2.0_rc16
  • Version 2.0_rc17
  • Version 2.0_rc18
  • Version 2.0_rc19
  • Version 2.0_rc20
  • Version 2.0_rc21
  • Version 2.0_test1
  • Version 2.0_test2
  • Version 2.0_test3
  • Version 2.0_test4
  • Version 2.0_test5
  • Version 2.0_test6
  • Version 2.0_test7
  • Version 2.0_test8
  • Version 2.0_test9
  • Version 2.0_test10
  • Version 2.0_test11
  • Version 2.0_test12
  • Version 2.0_test14
  • Version 2.0_test15
  • Version 2.0_test16
  • Version 2.0_test17
  • Version 2.0_test18
  • Version 2.0_test19
  • Version 2.0_test20
  • Version 2.0_test21
  • Version 2.0_test22
  • Version 2.0_test23
  • Version 2.0_test24
  • Version 2.0_test25
  • Version 2.0_test26
  • Version 2.0_test27
  • Version 2.0_test28
  • Version 2.0_test29
  • Version 2.0.1_rc1
  • Version 2.0.1_rc2
  • Version 2.0.1_rc3
  • Version 2.0.1_rc4
  • Version 2.0.1_rc5
  • Version 2.0.1_rc6
  • Version 2.0.1_rc7
  • Version 2.0.2_rc1
  • Version 2.0.3_rc1
  • Version 2.0.4
  • Version 2.0.6_rc1
  • Version 2.0.9
  • Version 2.1-beta-1
  • Version 2.1-beta-2
  • Version 2.1-beta-3
  • Version 2.1-beta-4
  • Version 2.1-beta-5
  • Version 2.1-beta-6
  • Version 2.1-beta-7
  • Version 2.1-beta-8
  • Version 2.1-beta-9
  • Version 2.1-beta-10
  • Version 2.1-beta-11
  • Version 2.1-beta-12
  • Version 2.1-beta-13
  • Version 2.1-beta-14
  • Version 2.1-beta-15
  • Version 2.1-beta-16
  • Version 2.1-rc_1
  • Version 2.1-rc_2
  • Version 2.1-rc_3
  • Version 2.1-rc_4
  • Version 2.1-rc_5
  • Version 2.1-rc_6
  • Version 2.1-rc_7
  • Version 2.1-rc_8
  • Version 2.1-rc_9
  • Version 2.1-rc_10
  • Version 2.1-rc_11
  • Version 2.1-rc_12
  • Version 2.1-rc_13
  • Version 2.1-rc_14
  • Version 2.1-rc_15
  • Version 2.1-rc_16
  • Version 2.1-rc_17
  • Version 2.1-rc_18
  • Version 2.1-rc_19
  • Version 2.1-rc_20
  • Version 2.1-rc_21
  • Version 2.1-rc_22
  • Version 2.1.0
  • Version 2.1.1
  • Version 2.1.2
  • Version 2.1.3
  • Version 2.1.4
  • Version 2.2-beta1
  • Version 2.2-beta2
  • Version 2.2-beta3
  • Version 2.2-beta4
  • Version 2.2-beta5
  • Version 2.2.0
  • Version 2.2.1
  • Version 2.2.2
  • Version 2.3-alpha1
  • Version 2.3-alpha2
  • Version 2.3-alpha3
  • Version 2.3-beta1
  • Version 2.3-rc1
  • Version 2.3-rc2
  • Version 2.3.0
  • Version 2.3.1
  • Version 2.3.2
  • Version 2.3.3
  • Version 2.3.4
  • Version 2.3.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-8104
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-8104