{"cve":{"cve_id":"CVE-2009-1273","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01305,"epss_percentile":0.66824,"epss_as_of":"2026-06-23","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.","published_at":"2009-04-08T18:00:00Z","last_modified_at":"2026-06-16T23:06:55.140000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-255"],"nvd_references":["http://bugs.gentoo.org/show_bug.cgi?id=263579","http://secunia.com/advisories/34986","http://secunia.com/advisories/34536","https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html","https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:04:58.678921Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"andrew-j.korty","vendor_name":"andrew_j.korty","product_slug":"pam-ssh","product_name":"pam_ssh","version_start":"1.92","version_start_inclusive":true,"version_end":"1.92","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:andrew_j.korty:pam_ssh:1.92:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://bugs.gentoo.org/show_bug.cgi?id=263579","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/34986","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/34536","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html","source_type":"MISC","tags":[]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2009-04-08T18:00:00Z","label":"CVE published","source":null}]}