{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T09:42:20Z","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-2025-20127","kev":false,"epss":{"score":0.00619,"percentile":0.45719,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"}},"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":2,"public_evidence_count":2,"kev":false},"advisories":[{"id":"cisco-sa-3100_4200_tlsdos-2yNSCd54","slug":"cisco-sa-3100_4200_tlsdos-2ynscd54","title":"Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series TLS 1.3 Cipher Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-3100_4200_tlsdos-2yNSCd54"}],"public_evidence":[{"product":{"name":"Cisco Secure Firewall 4200 Series","slug":"cisco-secure-firewall-4200-series","vendor":"Cisco"},"advisory":{"id":"cisco-sa-3100_4200_tlsdos-2yNSCd54","slug":"cisco-sa-3100_4200_tlsdos-2ynscd54","title":"Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series TLS 1.3 Cipher Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-3100_4200_tlsdos-2yNSCd54"},"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":"2026-07-20T04:40:27Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.1 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.1.5 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.10 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.21 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.22 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.4 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.7 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.1 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.0 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1.1 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.1 when installed on Cisco Secure Firewall 4200 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.6.0 when installed on Cisco Secure Firewall 4200 Series","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":0.00619,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2025-08-14T16:00:00Z","updated_at":"2025-09-03T13:37:50Z","advisory_updated_at":"2025-09-03T13:37:50Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-3100_4200_tlsdos-2yNSCd54","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-3100_4200_tlsdos-2yNSCd54"},"row_display_order":1},{"product":{"name":"Cisco Secure Firewall 3100 Series","slug":"cisco-secure-firewall-3100-series","vendor":"Cisco"},"advisory":{"id":"cisco-sa-3100_4200_tlsdos-2yNSCd54","slug":"cisco-sa-3100_4200_tlsdos-2ynscd54","title":"Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series TLS 1.3 Cipher Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-3100_4200_tlsdos-2yNSCd54"},"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":"2026-07-20T04:40:27Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.10 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.21 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.22 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.4 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.7 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.1 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1.1 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.1 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.6.0 when installed on Cisco Secure Firewall 3100 Series","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":0.00619,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2025-08-14T16:00:00Z","updated_at":"2025-09-03T13:37:50Z","advisory_updated_at":"2025-09-03T13:37:50Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-3100_4200_tlsdos-2yNSCd54","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-3100_4200_tlsdos-2yNSCd54"},"row_display_order":2}]}