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 attackers to determine valid usernames via a timing attack.

Scoring

CVSS base score
0.69
EPSS probability
17.16%
Published
2003-05-02
Last modified
2026-03-16

Affected products

Markdown version · Browse all CVEs