CVE-2003-0190
OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote...
- Published
- May 2, 2003
- Updated
- Aug 8, 2024
- Assigning CNA
- mitre
- Evidence observed
- Apr 30, 2003
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:NHigh · next 30 days
- Percentile
- 99.5%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.
Sources
5- exploitsExploit
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- advisoriesInformational
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