{"cve":"CVE-2007-4459","nvd":{"published":"2007-08-21T21:17:00.000","modified":"2026-06-16T22:44:08.293","status":"Modified","description":"Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065401.html","http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065402.html","http://secunia.com/advisories/26547","http://securityreason.com/securityalert/3042","http://securitytracker.com/id?1018591"],"products":["cisco:voip_phone_cp-7940","cisco:voip_phone_cp-7960"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-4459","score":0.13989,"percentile":0.96552,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}