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CVE-1999-1231

Published: Sep 12, 2001Updated: Apr 16, 2026 Sources: CVE List NVDNVD-CWE-Other

Patch Available

Description

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.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:LAccess Complexity

Low

Au:NAuthentication

None

Impact

C:PConfidentiality

Partial

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

Affected Products

On-prem

Networking Infrastructure / network-management

sshcommercialNetworking Infrastructure

Exploitability

1 exploit source identified

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

View exploit details

Official Patch Available

References

http://www.securityfocus.com/archive/1/14758

securityfocus.com

https://exchange.xforce.ibmcloud.com/vulnerabilities/2276

exchange.xforce.ibmcloud.com

Timeline

Published

Sep 12, 2001

Last Updated

Apr 16, 2026

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