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Unrated severityNVD Advisory· Published Dec 4, 2012· Updated Apr 29, 2026

CVE-2012-5975

CVE-2012-5975

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 products

35
  • SSH/Tectia Server35 versions
    cpe:2.3:a:ssh:tectia_server:6.0.4:*:*:*:*:*:*:*+ 34 more
    • cpe:2.3:a:ssh:tectia_server:6.0.4:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.5:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.6:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.7:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.8:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.9:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.10:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.11:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.12:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.13:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.14:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.17:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.18:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.19:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.0.20.:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.3:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.4:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.5:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.6:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.7:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.8:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.9:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.1.12:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.2.4:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.2.5:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.3.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ssh:tectia_server:6.3.2:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

4

News mentions

0

No linked articles in our index yet.