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CVE-2012-5975

Published: Dec 4, 2012Updated: Apr 29, 2026 Sources: CVE List NVDCWE-287
9.3CRITICAL
NVD MITRE
EPSS Score
35.9%
Top 1.7%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:MAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
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Weaknesses

CWE-287

Affected Products

ssh
commercial
tectia serverOn-premNetwork Device
Networking Infrastructure
and 1 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0013.html
archives.neohapsis.com
http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0065.html
archives.neohapsis.com
http://www.exploit-db.com/exploits/23082/
exploit-db.com
and 1 more references View all →

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