VULNERABILITY INTELLIGENCE

CVE-2003-0190

CVSS score5 MEDIUM
EPSS probability76.75%
CISA KEVNot currently listed
Published2003-05-12
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N

Description

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.

Weakness classification

  • CWE-203: Observable Discrepancy

Primary references