{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T09:43:50Z","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-2021-1229","kev":false,"epss":{"score":0.01375,"percentile":0.69005,"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":5,"public_evidence_count":5,"kev":false},"advisories":[{"id":"cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","slug":"cisco-sa-fxos-nxos-icmpv6-dos-yd55jvcq","title":"Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"}],"public_evidence":[{"product":{"name":"Cisco Nexus 5000 Series Switches","slug":"cisco-nexus-5000-series-switches","vendor":"Cisco"},"advisory":{"id":"cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","slug":"cisco-sa-fxos-nxos-icmpv6-dos-yd55jvcq","title":"Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"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":"2026-07-20T04:13:02Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco NX-OS Software 7.3(0)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(0)N1(1a) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(0)N1(1b) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(1)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(2)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(2)N1(1b) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(2)N1(1c) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(3)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(4)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(4)N1(1a) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(5)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(6)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(6)N1(1a) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(7)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(7)N1(1a) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(7)N1(1b) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(8)N1(1) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(8)N1(1a) when installed on Cisco Nexus 5000 Series Switches; Cisco NX-OS Software 7.3(8)N1(1b) when installed on Cisco Nexus 5000 Series Switches","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":0.01375,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2021-02-24T16:00:00Z","updated_at":"2021-02-24T16:00:00Z","advisory_updated_at":"2021-02-24T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"row_display_order":1},{"product":{"name":"Cisco Nexus 6000 Series Switches","slug":"cisco-nexus-6000-series-switches","vendor":"Cisco"},"advisory":{"id":"cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","slug":"cisco-sa-fxos-nxos-icmpv6-dos-yd55jvcq","title":"Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"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":"2026-07-20T04:13:02Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco NX-OS Software 7.3(0)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(0)N1(1a) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(0)N1(1b) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(1)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(2)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(2)N1(1b) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(2)N1(1c) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(3)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(4)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(4)N1(1a) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(5)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(6)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(6)N1(1a) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(7)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(7)N1(1a) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(7)N1(1b) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(8)N1(1) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(8)N1(1a) when installed on Cisco Nexus 6000 Series Switches; Cisco NX-OS Software 7.3(8)N1(1b) when installed on Cisco Nexus 6000 Series Switches","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":0.01375,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2021-02-24T16:00:00Z","updated_at":"2021-02-24T16:00:00Z","advisory_updated_at":"2021-02-24T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"row_display_order":2},{"product":{"name":"Cisco Nexus 3000 Series Switches","slug":"cisco-nexus-3000-series-switches","vendor":"Cisco"},"advisory":{"id":"cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","slug":"cisco-sa-fxos-nxos-icmpv6-dos-yd55jvcq","title":"Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"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":"2026-07-20T04:13:02Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco NX-OS Software 6.0(2)A8(1) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(10) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(10a) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(11) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(11a) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(11b) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(2) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(3) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(4) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(4a) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(5) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(6) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(7) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(7a) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(7b) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(8) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 6.0(2)A8(9) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(1) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(1t) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(2) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(3) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(4) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(5) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(6) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(6t) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(7) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8a) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8b) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8z) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I4(9) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I5(1) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I5(2) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I5(3) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I5(3a) when installed on Cisco Nexus 3000 Series Switches; Cisco NX-OS Software 7.0(3)I5(3b) when installed on Cisco Nexus 3000 Series Switches","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":0.01375,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2021-02-24T16:00:00Z","updated_at":"2021-02-24T16:00:00Z","advisory_updated_at":"2021-02-24T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"row_display_order":3},{"product":{"name":"Cisco Nexus 9000 Series Switches","slug":"cisco-nexus-9000-series-switches","vendor":"Cisco"},"advisory":{"id":"cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","slug":"cisco-sa-fxos-nxos-icmpv6-dos-yd55jvcq","title":"Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"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":"2026-07-20T04:13:02Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco NX-OS Software 7.0(3)I4(1) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(1t) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(2) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(3) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(4) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(5) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(6) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(6t) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(7) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8a) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8b) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(8z) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I4(9) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I5(1) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I5(2) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I5(3) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I5(3a) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS Software 7.0(3)I5(3b) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(1l) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(1m) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(2l) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(2o) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(3i) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(3j) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(3n) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(3o) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(3r) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(3s) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(41d) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(4d) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(4e) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(5d) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(5e) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(5f) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(6i) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(7f) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(7k) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(8d) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(9b) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(9f) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 13.2(9h) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.0(1h) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.0(2c) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.0(3c) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.0(3d) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(1i) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(1j) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(1k) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(1l) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(2g) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(2m) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(2o) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(2s) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(2u) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(2w) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.1(2x) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(1i) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(1j) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(1l) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(2e) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(2f) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(2g) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(3j) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(3l) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(3n) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(3q) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(4i) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(4k) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(4o) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(4p) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(5k) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(5l) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 14.2(5n) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 15.0(1k) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 15.0(1l) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 15.0(2e) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 15.0(2h) when installed on Cisco Nexus 9000 Series Switches; Cisco NX-OS System Software in ACI Mode 15.1(2e) when installed on Cisco Nexus 9000 Series Switches","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":0.01375,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2021-02-24T16:00:00Z","updated_at":"2021-02-24T16:00:00Z","advisory_updated_at":"2021-02-24T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"row_display_order":4},{"product":{"name":"Cisco Nexus 7000 Series Switches","slug":"cisco-nexus-7000-series-switches","vendor":"Cisco"},"advisory":{"id":"cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","slug":"cisco-sa-fxos-nxos-icmpv6-dos-yd55jvcq","title":"Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"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":"2026-07-20T04:13:02Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco NX-OS Software 7.3(0)D1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(0)DX(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(1)D1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(2)D1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(2)D1(1d) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(2)D1(2) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(2)D1(3) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(2)D1(3a) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(3)D1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(4)D1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(5)D1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 7.3(6)D1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.1(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.1(2) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.1(2a) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.2(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.2(2) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.2(3) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.2(4) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.2(5) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.2(6) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.3(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.3(2) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.4(1) when installed on Cisco Nexus 7000 Series Switches; Cisco NX-OS Software 8.4(2) when installed on Cisco Nexus 7000 Series Switches","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":0.01375,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2021-02-24T16:00:00Z","updated_at":"2021-02-24T16:00:00Z","advisory_updated_at":"2021-02-24T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq"},"row_display_order":5}]}