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TI-1999-01179 Aliases CVE-1999-1231GHSA-7g97-5hq7-x7mm

ssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the…

Priority LOW 26Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

ssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the correct password multiple times, but only prompts an invalid user name for a password once, which allows remote attackers to determine user account names on the server.

Why it matters now

EPSS 0.01464 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:a:ssh:ssh2:2.0:*:*:*:*:*:*:*2.0VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.1:*:*:*:*:*:*:*2.0.1VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.2:*:*:*:*:*:*:*2.0.2VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.3:*:*:*:*:*:*:*2.0.3VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.4:*:*:*:*:*:*:*2.0.4VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.5:*:*:*:*:*:*:*2.0.5VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.6:*:*:*:*:*:*:*2.0.6VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.7:*:*:*:*:*:*:*2.0.7VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.8:*:*:*:*:*:*:*2.0.8VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.9:*:*:*:*:*:*:*2.0.9VulnerableSSH
  • cpe:2.3:a:ssh:ssh2:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.7:*:*:*:*:*:*:* Versions 2.0.7 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.8:*:*:*:*:*:*:* Versions 2.0.8 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.9:*:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·SSH
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:ssh:ssh2:2.0.10:*:*:*:*:*:*:*2.0.10VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.11:*:*:*:*:*:*:*2.0.11VulnerableSSH
cpe:2.3:a:ssh:ssh2:2.0.12:*:*:*:*:*:*:*2.0.12VulnerableSSH
  • cpe:2.3:a:ssh:ssh2:2.0.10:*:*:*:*:*:*:* Versions 2.0.10 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.11:*:*:*:*:*:*:* Versions 2.0.11 Vulnerable ·SSH
  • cpe:2.3:a:ssh:ssh2:2.0.12:*:*:*:*:*:*:* Versions 2.0.12 Vulnerable ·SSH

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-1999-1231
  2. 2026-10-03 Alias added: GHSA-7g97-5hq7-x7mm

References

—

  • TI-2002-01566 Buffer overflow in the URL catcher feature for SSH Secure Shell for Workstations client… CVSS 2.0HIGH 10.0
  • TI-1999-00979 SSH server (sshd2) before 2.0.12 does not properly record login attempts if the… CVSS 2.0HIGH 7.5
  • TI-2002-01634 SSH 1 through 3, and possibly other versions, allows local users to bypass restricted… CVSS 2.0HIGH 7.2
  • TI-2002-01565 SSH Secure Shell for Servers and SSH Secure Shell for Workstations 2.0.13 through 3.2.1… CVSS 2.0HIGH 7.2
  • TI-2001-00357 SSH Communications Security sshd 2.4 for Windows allows remote attackers to create a… CVSS 2.0MEDIUM 5.0
  • TI-2000-00217 The default configuration of SSH allows X forwarding, which could allow a remote attacker… CVSS 2.0MEDIUM 5.1
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences