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CVE-2009-1384

MEDIUM · CVSS 5.0EPSS 2.9%EU EUVD

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.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE)
CWE-287
EPSS score
2.9% (87th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-1382)
Published
May 28, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-1382 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • eyrie / pam-krb5
  • eyrie / pam-krb5
  • eyrie / pam-krb5
  • redhat / enterprise linux
  • redhat / enterprise linux
  • redhat / enterprise linux
  • redhat / enterprise linux

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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