VULNERABILITY INTELLIGENCE
CVE-2009-1384
CVSS score5 MEDIUM
EPSS probability2.89%
CISA KEVNot currently listed
Published2009-05-28
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N
Description
pam_krb5 2.2.14 through 2.3.4, as used in Red Hat Enterprise Linux (RHEL) 5, generates different password prompts depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.
Weakness classification
- CWE-287: Improper Authentication