{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T11:04:24Z","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","advisory":{"id":"cisco-sa-20181017-fxnx-os-dos","slug":"cisco-sa-20181017-fxnx-os-dos","vendor":"Cisco","title":"Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability","summary":"A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","severity":"High","published_at":"2018-10-17T16:00:00Z","updated_at":"2018-10-17T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos/csaf/cisco-sa-20181017-fxnx-os-dos.json","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure."},"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":{"cve_count":1,"visible_product_count":6,"public_evidence_count":6,"kev_count":0,"highest_epss":0.00857},"cves":[{"id":"CVE-2018-0395","kev":false,"epss":{"score":0.00857,"percentile":0.54412,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"}}],"public_evidence":[{"product":{"name":"Cisco Firepower Extensible Operating System (FXOS)","slug":"cisco-firepower-extensible-operating-system-fxos","vendor":"Cisco"},"cve":{"id":"CVE-2018-0395"},"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":"2026-07-20T04:27:14Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Firepower Extensible Operating System (FXOS)","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":0.00857,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2018-10-17T16:00:00Z","updated_at":"2018-10-17T16:00:00Z","advisory_updated_at":"2018-10-17T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"},"row_display_order":1},{"product":{"name":"Cisco NX-OS System Software in ACI Mode","slug":"cisco-nx-os-system-software-in-aci-mode","vendor":"Cisco"},"cve":{"id":"CVE-2018-0395"},"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":"2026-07-20T04:27:14Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"11.0(1b); 11.0(1c); 11.0(1d); 11.0(1e); 11.0(2j); 11.0(2m); 11.0(3f); 11.0(3i); 11.0(3k); 11.0(3n); 11.0(3o); 11.0(4h); 11.0(4o); 11.0(4q); 11.1(1j); 11.1(1o); 11.1(1r); 11.1(1s); 11.1(2h); 11.1(2i); 11.1(3f); 11.1(4e); 11.2(1i); 11.2(2g); 11.2(2h); 11.2(2i); 11.2(3c); 11.2(3e); 11.2(3h); 11.2(3m); 11.3(1g); 11.3(1h); 11.3(1i); 11.3(2f); 11.3(2h); 11.3(2i); 11.3(2k); 12.0(1m); 12.0(1n); 12.0(1o); 12.0(1p); 12.0(1q); 12.0(2f); 12.0(2g); 12.0(2h); 12.0(2l); 12.0(2m); 12.0(2n); 12.0(2o); 12.1(1h); 12.1(1i); 12.1(2e); 12.1(2g); 12.1(2k); 12.1(3g); 12.1(3h); 12.1(3j); 12.1(4a); 12.2(1n); 12.2(1o); 12.2(2e); 12.2(2f); 12.2(2g); 12.2(2i); 12.2(2j); 12.2(2k); 12.2(2q); 12.2(3j); 12.2(3p); 12.2(3r); 12.2(3s); 12.2(3t); 12.2(4f); 12.2(4p); 12.3(1e); 12.3(1f); 12.3(1i); 12.3(1l); 12.3(1o); 12.3(1p); 13.0(1k); 13.0(2h); 13.0(2k); 13.0(2n); 13.1(1i); 13.1(2m); 13.1(2o); 13.1(2p); 13.1(2q); 13.2(1l); 13.2(1m)","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":0.00857,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2018-10-17T16:00:00Z","updated_at":"2018-10-17T16:00:00Z","advisory_updated_at":"2018-10-17T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"},"row_display_order":2},{"product":{"name":"Cisco Unified Computing System (Managed)","slug":"cisco-unified-computing-system-managed","vendor":"Cisco"},"cve":{"id":"CVE-2018-0395"},"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":"2026-07-20T04:27:14Z","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":0.00857,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2018-10-17T16:00:00Z","updated_at":"2018-10-17T16:00:00Z","advisory_updated_at":"2018-10-17T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"},"row_display_order":3},{"product":{"name":"Cisco NX-OS Software","slug":"cisco-nx-os-software","vendor":"Cisco"},"cve":{"id":"CVE-2018-0395"},"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":"2026-07-20T04:27:14Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"4.0(0)N1(1a); 4.0(0)N1(2); 4.0(0)N1(2a); 4.0(1a)N1(1); 4.0(1a)N1(1a); 4.0(1a)N2(1); 4.0(1a)N2(1a); 4.1(3)N1(1); 4.1(3)N1(1a); 4.1(3)N2(1); 4.1(3)N2(1a); 4.2(1)N1(1); 4.2(1)N2(1); 4.2(1)N2(1a); 4.2(2a); 4.2(4); 5.0(2)N1(1); 5.0(2)N2(1); 5.0(2)N2(1a); 5.0(2a); 5.0(3)A1(1); 5.0(3)A1(2); 5.0(3)A1(2a); 5.0(3)N1(1); 5.0(3)N1(1a); 5.0(3)N1(1b); 5.0(3)N1(1c); 5.0(3)N2(1); 5.0(3)N2(2); 5.0(3)N2(2a); 5.0(3)N2(2b); 5.0(3)U1(1); 5.0(3)U1(1a); 5.0(3)U1(1b); 5.0(3)U1(1c); 5.0(3)U1(1d); 5.0(3)U1(2); 5.0(3)U1(2a); 5.0(3)U2(1); 5.0(3)U2(2); 5.0(3)U2(2a); 5.0(3)U2(2b); 5.0(3)U2(2c); 5.0(3)U2(2d); 5.0(3)U3(1); 5.0(3)U3(2); 5.0(3)U3(2a); 5.0(3)U3(2b); 5.0(3)U4(1); 5.0(3)U5(1); 5.0(3)U5(1a); 5.0(3)U5(1b); 5.0(3)U5(1c); 5.0(3)U5(1d); 5.0(3)U5(1e); 5.0(3)U5(1f); 5.0(3)U5(1g); 5.0(3)U5(1h); 5.0(3)U5(1i); 5.0(3)U5(1j); 5.0(5); 5.1(1a); 5.1(3); 5.1(3)N1(1); 5.1(3)N1(1a); 5.1(3)N2(1); 5.1(3)N2(1a); 5.1(3)N2(1b); 5.1(3)N2(1c); 5.1(5); 5.2(1); 5.2(1)N1(1); 5.2(1)N1(1a); 5.2(1)N1(1b); 5.2(1)N1(2); 5.2(1)N1(2a); 5.2(1)N1(3); 5.2(1)N1(4); 5.2(1)N1(5); 5.2(1)N1(6); 5.2(1)N1(7); 5.2(1)N1(8); 5.2(1)N1(8a); 5.2(1)N1(8b); 5.2(1)N1(9); 5.2(1)N1(9a); 5.2(1)N1(9b); 5.2(3); 5.2(3a); 5.2(4); 5.2(7); 5.2(9)N1(1); 6.0(2); 6.0(2)A1(1); 6.0(2)A1(1a); 6.0(2)N1(1); 6.0(2)N1(1a); 6.0(2)N1(2); 6.0(2)N1(2a); 6.0(2)N2(1); 6.0(2)N2(1b); 6.0(2)N2(2); 6.0(2)N2(3); 6.0(2)N2(4); 6.0(2)N2(5); 6.0(2)N2(5a); 6.0(2)N2(6); 6.0(2)N2(7); 6.0(2)U1(1); 6.0(2)U1(1a); 6.0(3); 6.0(4); 8.0(1)S2","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":0.00857,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2018-10-17T16:00:00Z","updated_at":"2018-10-17T16:00:00Z","advisory_updated_at":"2018-10-17T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"},"row_display_order":4},{"product":{"name":"Cisco Adaptive Security Appliance (ASA) Software","slug":"cisco-adaptive-security-appliance-asa-software","vendor":"Cisco"},"cve":{"id":"CVE-2018-0395"},"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":"2026-07-20T04:27:14Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"4.1(2); 4.1(3); 4.1(5); 4.2(3); 4.2(6); 4.2(8); 5.1(1); 5.1(4); 5.1(6); 5.2(5)","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":0.00857,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2018-10-17T16:00:00Z","updated_at":"2018-10-17T16:00:00Z","advisory_updated_at":"2018-10-17T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"},"row_display_order":5},{"product":{"name":"Cisco Firepower Management Center","slug":"cisco-firepower-management-center","vendor":"Cisco"},"cve":{"id":"CVE-2018-0395"},"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":"2026-07-20T04:27:14Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"4.1(4); 5.0(3); 6.0(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":0.00857,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2018-10-17T16:00:00Z","updated_at":"2018-10-17T16:00:00Z","advisory_updated_at":"2018-10-17T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"},"row_display_order":6}]}