CVE-2009-1273

medium

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.

References

https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html

https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-1272

http://secunia.com/advisories/34986

http://secunia.com/advisories/34536

http://bugs.gentoo.org/show_bug.cgi?id=263579

Details

Source: Mitre, NVD

Published: 2009-04-08

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N