{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T10:43:45Z","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","cve":{"id":"CVE-2019-1809","kev":false,"epss":{"score":0.00181,"percentile":0.07872,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"}},"freshness":{"last_source_refreshed_at":"2026-07-21T05:16:34Z","latest_source_refresh_at":"2026-07-21T05:16:34Z","oldest_source_refresh_at":"2026-07-21T03:00:03Z","all_sources_fresh":true,"sources":[{"source":"cisco_advisories","label":"Cisco advisories","last_success_at":"2026-07-21T03:00:03Z","stale":false},{"source":"cisco_csaf","label":"Cisco CSAF","last_success_at":"2026-07-21T05:14:24Z","stale":false},{"source":"nvd_cves","label":"NVD CVEs","last_success_at":"2026-07-21T05:16:30Z","stale":false},{"source":"cisa_kev","label":"CISA KEV","last_success_at":"2026-07-21T05:16:31Z","stale":false},{"source":"first_epss","label":"EPSS","last_success_at":"2026-07-21T05:16:34Z","stale":false}]},"summary":{"advisory_count":1,"visible_product_count":3,"public_evidence_count":3,"kev":false},"advisories":[{"id":"cisco-sa-20190515-nxos-psvb","slug":"cisco-sa-20190515-nxos-psvb","title":"Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb"}],"public_evidence":[{"product":{"name":"Cisco NX-OS Software","slug":"cisco-nx-os-software","vendor":"Cisco"},"advisory":{"id":"cisco-sa-20190515-nxos-psvb","slug":"cisco-sa-20190515-nxos-psvb","title":"Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T04:19:23Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"7.0(0)N1(1); 7.0(1)N1(1); 7.0(1)N1(3); 7.0(2)I2(2c); 7.0(2)N1(1); 7.0(2)N1(1a); 7.0(3)F1(1); 7.0(3)F2(1); 7.0(3)F2(2); 7.0(3)F3(1); 7.0(3)F3(2); 7.0(3)F3(3); 7.0(3)F3(3a); 7.0(3)F3(3b); 7.0(3)F3(3c); 7.0(3)F3(4); 7.0(3)F3(5); 7.0(3)I1(1); 7.0(3)I1(1a); 7.0(3)I1(1b); 7.0(3)I1(2); 7.0(3)I1(3); 7.0(3)I1(3a); 7.0(3)I1(3b); 7.0(3)I2(1); 7.0(3)I2(1a); 7.0(3)I2(2); 7.0(3)I2(2a); 7.0(3)I2(2b); 7.0(3)I2(2c); 7.0(3)I2(2d); 7.0(3)I2(2e); 7.0(3)I2(3); 7.0(3)I2(4); 7.0(3)I2(5); 7.0(3)I3(1); 7.0(3)I4(1); 7.0(3)I4(2); 7.0(3)I4(3); 7.0(3)I4(4); 7.0(3)I4(5); 7.0(3)I4(6); 7.0(3)I4(7); 7.0(3)I4(8); 7.0(3)I4(8a); 7.0(3)I4(8b); 7.0(3)I4(8z); 7.0(3)I5(1); 7.0(3)I5(2); 7.0(3)I6(1); 7.0(3)I6(2); 7.0(3)I7(1); 7.0(3)I7(2); 7.0(3)I7(3); 7.0(3)I7(4); 7.0(3)I7(5); 7.0(3)I7(5a); 7.0(3)IX1(2); 7.0(3)IX1(2a); 7.0(3)N1(1); 7.0(4)N1(1); 7.0(4)N1(1a); 7.0(5)N1(1); 7.0(5)N1(1a); 7.0(6)N1(1); 7.0(6)N1(1c); 7.0(6)N1(2s); 7.0(6)N1(3s); 7.0(6)N1(4s); 7.0(7)N1(1); 7.0(7)N1(1a); 7.0(7)N1(1b); 7.0(8)N1(1); 7.0(8)N1(1a); 7.1(0)N1(1); 7.1(0)N1(1a); 7.1(0)N1(1b); 7.1(0)N1(2); 7.1(1)N1(1); 7.1(1)N1(1a); 7.1(2)N1(1); 7.1(2)N1(1a); 7.1(3)N1(1); 7.1(3)N1(1b); 7.1(3)N1(2); 7.1(3)N1(2.1); 7.1(3)N1(2a); 7.1(3)N1(3); 7.1(3)N1(3.12); 7.1(3)N1(4); 7.1(3)N1(5); 7.1(4)N1(1); 7.1(4)N1(1a); 7.1(4)N1(1c); 7.1(4)N1(1d); 7.1(4)N1(1e); 7.1(5)N1(1); 7.1(5)N1(1b); 7.2(0)D1(0.437); 7.2(0)D1(1); 7.2(0)N1(1); 7.2(0)ZZ(99.1); 7.2(1)D1(1); 7.2(1)N1(1); 7.2(2)D1(1); 7.2(2)D1(2); 7.3(0)D1(1); 7.3(0)DX(1); 7.3(0)DY(1); 7.3(0)N1(1); 7.3(0)N1(1a); 7.3(0)N1(1b); 7.3(0.2); 7.3(1)D1(1); 7.3(1)D1(1B); 7.3(1)DY(1); 7.3(1)N1(0.1); 7.3(1)N1(1); 7.3(2)D1(1); 7.3(2)D1(1A); 7.3(2)D1(2); 7.3(2)D1(3); 7.3(2)D1(3a); 7.3(2)N1(0.296); 7.3(2)N1(1)","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00181,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2019-05-15T16:00:00Z","updated_at":"2019-05-15T16:00:00Z","advisory_updated_at":"2019-05-15T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb"},"row_display_order":1},{"product":{"name":"Cisco Adaptive Security Appliance (ASA) Software","slug":"cisco-adaptive-security-appliance-asa-software","vendor":"Cisco"},"advisory":{"id":"cisco-sa-20190515-nxos-psvb","slug":"cisco-sa-20190515-nxos-psvb","title":"Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T04:19:23Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"7.0(3); 8.2(1); 8.2(2)","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00181,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2019-05-15T16:00:00Z","updated_at":"2019-05-15T16:00:00Z","advisory_updated_at":"2019-05-15T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb"},"row_display_order":2},{"product":{"name":"Cisco Unified Computing System (Managed)","slug":"cisco-unified-computing-system-managed","vendor":"Cisco"},"advisory":{"id":"cisco-sa-20190515-nxos-psvb","slug":"cisco-sa-20190515-nxos-psvb","title":"Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T04:19:23Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Unified Computing System (Managed)","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00181,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2019-05-15T16:00:00Z","updated_at":"2019-05-15T16:00:00Z","advisory_updated_at":"2019-05-15T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-psvb"},"row_display_order":3}]}