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CVE-1999-1231

UnknownEPSS 1.48%

Last modified

CVE-1999-1231 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.48%

70.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
SshSsh22.0
SshSsh22.0.1
SshSsh22.0.2
SshSsh22.0.3
SshSsh22.0.4
SshSsh22.0.5
SshSsh22.0.6
SshSsh22.0.7
SshSsh22.0.8
SshSsh22.0.9
SshSsh22.0.10
SshSsh22.0.11
SshSsh22.0.12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-1999-1231?
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.
How severe is CVE-1999-1231?
Severity scoring for CVE-1999-1231 is pending analysis. The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.
How do I fix CVE-1999-1231?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-1231?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST