{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T11:02:04Z","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-20160516-vcs","slug":"cisco-sa-20160516-vcs","vendor":"Cisco","title":"Cisco Video Communication Server Session Initiation Protocol Packet Processing Denial of Service Vulnerability","summary":"A vulnerability in the Session Initiation Protocol (SIP) implementation of the Cisco Video Communications Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.   The vulnerability is due to a malformed SIP header message. An attacker could exploit this vulnerability by manipulating the SIP URI. An exploit could allow the attacker to cause a disruption of service to the application. Cisco has released software updates that address this vulnerability. Workarounds that address this vulnerability are not available. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160516-vcs","severity":"Medium","published_at":"2016-05-16T07:00:00Z","updated_at":"2016-05-16T07:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160516-vcs","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/cisco-sa-20160516-vcs/csaf/cisco-sa-20160516-vcs.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":1,"public_evidence_count":1,"kev_count":0,"highest_epss":0.01765},"cves":[{"id":"CVE-2016-1400","kev":false,"epss":{"score":0.01765,"percentile":0.75605,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"}}],"public_evidence":[{"product":{"name":"Cisco TelePresence Video Communication Server (VCS)","slug":"cisco-telepresence-video-communication-server-vcs","vendor":"Cisco"},"cve":{"id":"CVE-2016-1400"},"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":"2026-07-20T04:58:29Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco TelePresence Video Communication Server (VCS)","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":0.01765,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2016-05-16T07:00:00Z","updated_at":"2016-05-16T07:00:00Z","advisory_updated_at":"2016-05-16T07:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160516-vcs","row_display_order":1}]}