OpenVPN 2.x < 2.2.3 / 2.3.6 Control Channel Packet Handling DoS

medium Nessus Plugin ID 79746


An application on the remote host is affected by a denial of service vulnerability.


According to its self-reported version number, the version of OpenVPN installed on the remote host is affected by an error related to 'Control Channel Packet' handling and TLS-authenticated clients that could allow denial of service attacks.


Upgrade to OpenVPN 2.2.3 / 2.3.6 or later.

See Also

Plugin Details

Severity: Medium

ID: 79746

File Name: openvpn_2_3_6.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 12/5/2014

Updated: 11/25/2019

Supported Sensors: Nessus Agent

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:openvpn:openvpn

Required KB Items: installed_sw/OpenVPN

Exploit Ease: No known exploits are available

Patch Publication Date: 12/1/2014

Vulnerability Publication Date: 12/1/2014

Reference Information

CVE: CVE-2014-8104

BID: 71402