VULNERABILITY INTELLIGENCE
CVE-2009-1273
CVSS score5 MEDIUM
EPSS probability1.31%
CISA KEVNot currently listed
Published2009-04-08
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N
Description
pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.