VulnerabilityModified

CVE-2012-5975

EXPLOIT ×2 ✓HIGH 9.3EPSS 35.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 35.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 2.0: 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS: 35.87% probability · 98th percentile
Public exploits: 2 in Exploit-DB · verified · first 2 December 2012
CISA KEV: Not listed
Weakness: CWE-287
Affected: ssh/tectia server
Source: cve@mitre.org

EPSS trend

EPSS 35.9% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-ID	Title	Type	Published	Verified
EDB-23156 source ↗	(SSH.com Communications) SSH Tectia - USERAUTH Change Request Password Reset (Metasploit)unix · Metasploit	remote	5 December 2012	yes
EDB-23082 source ↗	(SSH.com Communications) SSH Tectia (SSH < 2.0-6.1.9.95 / Tectia 6.1.9.95) - Remote Authentication Bypasslinux · kingcope	remote	2 December 2012	yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.