{"schema":"threatline.record/2","record":{"id":"CVE-2018-0155","aliases":[],"summary":"Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability","details":"A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial-of-service (DoS) condition.","categories":["Network & edge"],"product":"Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches","vendor":"Cisco","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-0155","source_modified_at":"2026-01-12T21:52:53.398Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Cisco IOS and IOS XE","vendor":"n/a","versions":[{"status":"affected","version":"Cisco IOS and IOS XE"}],"defaultStatus":null}],"fixed_versions":[],"cvss":8.6,"severity":"High","kev":{"listed":true,"date_added":"2022-03-03","due_date":"2022-03-17","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.07742,"percentile":0.94625,"score_date":"2026-10-23"},"published_at":"2018-03-28T22:00:00.000Z","modified_at":"2026-01-12T21:52:53.398Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2018-0155","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-01-12T21:52:53.398Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-0155","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0155","source":"CISA KEV"},{"source":"CVE List","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0155","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2024-11-08T17:28:14.365306Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-01-12T21:52:53.398Z","content_hash":"81562e82182e4d4d87d1ca2a3f1f44c0b6b5ffb024a219ca0916c9222aa0884f"}}