{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T10:12:46Z","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-20160519-ios-xr","slug":"cisco-sa-20160519-ios-xr","vendor":"Cisco","title":"Cisco IOS XR Software LPTS Denial of Service Vulnerability","summary":"A vulnerability in the Local Packet Transport Services (LPTS) network stack of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a limited denial of service (DoS) condition on an affected platform. The vulnerability is due to improper handling of flow base entries by LPTS. This can cause too many known entries for a protocol to be created, causing existing or new sessions to be dropped. An attacker could exploit this vulnerability by sending continuous connection attempts to open TCP ports to cause an exhaustion of services. An exploit could allow the attacker to cause a limited DoS condition on an affected platform. 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-20160519-ios-xr","severity":"Medium","published_at":"2016-05-20T02:53:00Z","updated_at":"2016-06-08T20:58:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160519-ios-xr","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/cisco-sa-20160519-ios-xr/csaf/cisco-sa-20160519-ios-xr.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":2,"public_evidence_count":2,"kev_count":0,"highest_epss":0.01765},"cves":[{"id":"CVE-2016-1407","kev":false,"epss":{"score":0.01765,"percentile":0.75573,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:47Z"}}],"public_evidence":[{"product":{"name":"Cisco IOS XR Software","slug":"cisco-ios-xr-software","vendor":"Cisco"},"cve":{"id":"CVE-2016-1407"},"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":"2026-07-19T23:32:47Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco IOS XR Software","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":"2026-07-19","updated_at":"2026-07-20T05:46:47Z"},"published_at":"2016-05-20T02:53:00Z","updated_at":"2016-06-08T20:58:00Z","advisory_updated_at":"2016-06-08T20:58:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160519-ios-xr","row_display_order":1},{"product":{"name":"Cisco ASR 9000 Series Aggregation Services Routers","slug":"cisco-asr-9000-series-aggregation-services-routers","vendor":"Cisco"},"cve":{"id":"CVE-2016-1407"},"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":"2026-07-19T23:32:47Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco ASR 9000 Series Aggregation Services Routers","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":"2026-07-19","updated_at":"2026-07-20T05:46:47Z"},"published_at":"2016-05-20T02:53:00Z","updated_at":"2016-06-08T20:58:00Z","advisory_updated_at":"2016-06-08T20:58:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160519-ios-xr","row_display_order":2}]}