{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T10:02:34Z","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-20150918-CVE-2015-6297","slug":"cisco-sa-20150918-cve-2015-6297","vendor":"Cisco","title":"Cisco IOS Software DHCPv6 Server Implementation Denial of Service Vulnerability","summary":"A vulnerability in the DHCP version 6 (DHCPv6) server implementation of Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper handling of crafted DHCPv6 packets. An attacker could exploit this vulnerability by sending crafted DHCPv6 packets to be processed by the affected device. An exploit could allow the attacker to cause a reset of an affected process. Cisco has confirmed the vulnerability and released software updates. To exploit this vulnerability a remote attacker does not need to authenticate to pass the crafted DHCPv6 packets to the targeted device. This increases the likelihood of a possible exploit. 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":"2015-09-18T04:41:26Z","updated_at":"2015-09-18T04:41:26Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150918-CVE-2015-6297","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/Cisco-SA-20150918-CVE-2015-6297/csaf/Cisco-SA-20150918-CVE-2015-6297.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":0.02435},"cves":[{"id":"CVE-2015-6297","kev":false,"epss":{"score":0.02435,"percentile":0.82474,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"}}],"public_evidence":[{"product":{"name":"Cisco ASR 9000 Series Aggregation Services Routers","slug":"cisco-asr-9000-series-aggregation-services-routers","vendor":"Cisco"},"cve":{"id":"CVE-2015-6297"},"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":"2026-07-19T23:32:49Z","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":0.02435,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2015-09-18T04:41:26Z","updated_at":"2015-09-18T04:41:26Z","advisory_updated_at":"2015-09-18T04:41:26Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150918-CVE-2015-6297","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150918-CVE-2015-6297"},"row_display_order":1}]}