{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T11:24:26Z","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-20150603-CVE-2015-0765","slug":"cisco-sa-20150603-cve-2015-0765","vendor":"Cisco","title":"Cisco ONS 15454 System Software Denial of Service Vulnerability","summary":"A vulnerability in Cisco ONS 15454 System Software could allow an unauthenticated, remote attacker to cause the controller card on an affected device to reset, resulting in a denial of service (DoS) condition. The vulnerability occurs because tNetTask CPU time is consumed when the software processes large amounts of IP or Ethernet traffic. An attacker could exploit this vulnerability by sending large amounts of IP or Ethernet traffic to the controller card on a targeted device. An exploit could allow the attacker to cause the controller card on the device to reset, resulting in a DoS condition. Cisco has confirmed the vulnerability and released software updates. To exploit this vulnerability, the attacker must send large amounts of IP or Ethernet traffic to the targeted system, making exploitation more difficult in environments that restrict network access from untrusted sources. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.","severity":"Medium","published_at":"2015-06-03T21:21:42Z","updated_at":"2015-06-03T21:21:42Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150603-CVE-2015-0765","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/Cisco-SA-20150603-CVE-2015-0765/csaf/Cisco-SA-20150603-CVE-2015-0765.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":0.01988},"cves":[{"id":"CVE-2015-0765","kev":false,"epss":{"score":0.01988,"percentile":0.78422,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"}}],"public_evidence":[{"product":{"name":"Cisco ONS 15454 System Software","slug":"cisco-ons-15454-system-software","vendor":"Cisco"},"cve":{"id":"CVE-2015-0765"},"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":"2026-07-20T04:29:40Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco ONS 15454 System 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":0.01988,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2015-06-03T21:21:42Z","updated_at":"2015-06-03T21:21:42Z","advisory_updated_at":"2015-06-03T21:21:42Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150603-CVE-2015-0765","row_display_order":1}]}