CVE-2012-5975

Published: Dec 4, 2012Modified: Apr 29, 2026

9.3

Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability: 8.6 / Impact: 10.0

Source: NVD

Description

The SSH USERAUTH CHANGE REQUEST feature in SSH Tectia Server 6.0.4 through 6.0.20, 6.1.0 through 6.1.12, 6.2.0 through 6.2.5, and 6.3.0 through 6.3.2 on UNIX and Linux, when old-style password authentication is enabled, allows remote attackers to bypass authentication via a crafted session involving entry of blank passwords, as demonstrated by a root login session from a modified OpenSSH client with an added input_userauth_passwd_changereq call in sshconnect2.c.

Affected (35)

Products: Ssh: Tectia Server

Ssh

1 product

Tectia Server

Configuration A

35 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Ssh Tectia Server	Version 6.0.10
Ssh Tectia Server	Version 6.0.11
Ssh Tectia Server	Version 6.0.12
Ssh Tectia Server	Version 6.0.13
Ssh Tectia Server	Version 6.0.14
Ssh Tectia Server	Version 6.0.17
Ssh Tectia Server	Version 6.0.18
Ssh Tectia Server	Version 6.0.19
Ssh Tectia Server	Version 6.0.20.
Ssh Tectia Server	Version 6.0.4
Ssh Tectia Server	Version 6.0.5
Ssh Tectia Server	Version 6.0.6
Ssh Tectia Server	Version 6.0.7
Ssh Tectia Server	Version 6.0.8
Ssh Tectia Server	Version 6.0.9
Ssh Tectia Server	Version 6.1.0
Ssh Tectia Server	Version 6.1.12
Ssh Tectia Server	Version 6.1.1
Ssh Tectia Server	Version 6.1.2
Ssh Tectia Server	Version 6.1.3
Ssh Tectia Server	Version 6.1.4
Ssh Tectia Server	Version 6.1.5
Ssh Tectia Server	Version 6.1.6
Ssh Tectia Server	Version 6.1.7
Ssh Tectia Server	Version 6.1.8
Ssh Tectia Server	Version 6.1.9
Ssh Tectia Server	Version 6.2.0
Ssh Tectia Server	Version 6.2.1
Ssh Tectia Server	Version 6.2.2
Ssh Tectia Server	Version 6.2.3
Ssh Tectia Server	Version 6.2.4
Ssh Tectia Server	Version 6.2.5
Ssh Tectia Server	Version 6.3.0
Ssh Tectia Server	Version 6.3.1
Ssh Tectia Server	Version 6.3.2