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CVE-1999-1231

Published: Sep 12, 2001Updated: Apr 16, 2026 Sources: CVE List NVDNVD-CWE-Other
5.0MEDIUM
NVD MITRE
EPSS Score
1.5%
Top 28.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
Not 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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:PI:NA:N
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

NVD-CWE-Other

Affected Products

ssh
commercial
ssh2On-premNetwork Device
Networking Infrastructure / firewall
and 1 more affected products View all →

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
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References

http://www.securityfocus.com/archive/1/14758
securityfocus.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/2276
exchange.xforce.ibmcloud.com

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