What’s Vulnerable › Vulnerabilities

CVE-2009-1273

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-04-08 · updated 2026-06-16
• Weakness: CWE-255

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.

Affected products

• Andrew J.Korty Pam Ssh: 1.92

References

• http://bugs.gentoo.org/show_bug.cgi?id=263579
• http://secunia.com/advisories/34536
• http://secunia.com/advisories/34986
• https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html
• https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html
• http://bugs.gentoo.org/show_bug.cgi?id=263579
• http://secunia.com/advisories/34536
• http://secunia.com/advisories/34986
• https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html
• https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html

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