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.
Published 1999-06-09 04:00:00
Updated 2017-12-19 02:29:04
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-1999-1231

Probability of exploitation activity in the next 30 days: 0.24%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 61 % EPSS Score History EPSS FAQ

CVSS scores for CVE-1999-1231

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST

References for CVE-1999-1231

Products affected by CVE-1999-1231

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