CVE-2012-5975

highpriority · attend · 60EPSS 0.359 · 98 %ileexploit · weaponizedEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · weaponized

Likely / severe?

35.9% (98th) EPSS

CVSS 9.3 · high

Is it mine?

36 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.08.8highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimary

exploits (3)

Public proof-of-concept and weaponised exploit code.

exploit/unix/ssh/tectia_passwd_changereqTectia SSH USERAUTH Change Request Password Reset Vulnerabilityweaponized · metasploit
EDB-23082(SSH.com Communications) SSH Tectia (SSH < 2.0-6.1.9.95 / Tectia 6.1.9.95) - Remote Authentication Bypassfunctional · exploit_db
EDB-23156(SSH.com Communications) SSH Tectia - USERAUTH Change Request Password Reset (Metasploit)functional · exploit_db

affected products (36)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ssh tectia server= 6.0.10nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.11nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.12nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.13nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.14nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.17nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.18nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.19nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.20.nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.4nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.5nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.6nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.7nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.8nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.0.9nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.1.0nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.1.1nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.1.12nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*
ssh tectia server= 6.1.2nvdUScpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*

showing 20 of 36

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2012-12-04modified 2026-06-16

related (7,727)

Related entries.

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+7722 more

references (12)

External citations — patches, advisories, analysis.

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