OpenVPN vulnerability

2022-03-2400:00:00

ubuntu.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.005 Low

EPSS

Percentile

76.2%

JSON

Releases

Ubuntu 21.10
Ubuntu 20.04 LTS
Ubuntu 18.04 ESM

Packages

openvpn - virtual private network software

Details

It was discovered that OpenVPN incorrectly handled certain configurations
with multiple authentication plugins. A remote attacker could possibly use
this issue to bypass authentication using incomplete credentials.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchopenvpn< 2.5.1-3ubuntu1.1UNKNOWN
Ubuntu21.10noarchopenvpn-dbgsym< 2.5.1-3ubuntu1.1UNKNOWN
Ubuntu20.04noarchopenvpn< 2.4.7-1ubuntu2.20.04.4UNKNOWN
Ubuntu20.04noarchopenvpn-dbgsym< 2.4.7-1ubuntu2.20.04.4UNKNOWN
Ubuntu18.04noarchopenvpn< 2.4.4-2ubuntu1.7UNKNOWN
Ubuntu18.04noarchopenvpn-dbgsym< 2.4.4-2ubuntu1.7UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	21.10	noarch	openvpn	< 2.5.1-3ubuntu1.1	UNKNOWN
Ubuntu	21.10	noarch	openvpn-dbgsym	< 2.5.1-3ubuntu1.1	UNKNOWN
Ubuntu	20.04	noarch	openvpn	< 2.4.7-1ubuntu2.20.04.4	UNKNOWN
Ubuntu	20.04	noarch	openvpn-dbgsym	< 2.4.7-1ubuntu2.20.04.4	UNKNOWN
Ubuntu	18.04	noarch	openvpn	< 2.4.4-2ubuntu1.7	UNKNOWN
Ubuntu	18.04	noarch	openvpn-dbgsym	< 2.4.4-2ubuntu1.7	UNKNOWN