CVE-2020-15078
Published: 26 April 2021
OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openvpn Launchpad, Ubuntu, Debian |
bionic |
Released
(2.4.4-2ubuntu1.5)
|
| focal |
Released
(2.4.7-1ubuntu2.20.04.2)
|
|
| groovy |
Released
(2.4.9-3ubuntu1.1)
|
|
| hirsute |
Released
(2.5.1-1ubuntu1.1)
|
|
| impish |
Released
(2.5.1-2)
|
|
| jammy |
Released
(2.5.1-2)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(2.5.2)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://github.com/OpenVPN/openvpn/commit/f7b3bf067ffce72e7de49a4174fd17a3a83f0573 upstream: https://github.com/OpenVPN/openvpn/commit/3d18e308c4e7e6f7ab7c2826c70d2d07b031c18a upstream: https://github.com/OpenVPN/openvpn/commit/3aca477a1b58714754fea3a26d0892fffc51db6b upstream: https://github.com/OpenVPN/openvpn/commit/0e5516a9d656ce86f7fb370c824344ea1760c255 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |