{"id":"CVE-2007-4459","aliases":["EUVD-2007-4442","GHSA-r3r7-8q5v-779v"],"status":"published","title":"Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0),...","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.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.13989,"percentile":0.96576,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2007-08-21T21:00:00Z","modified":"2026-06-16T22:44:08Z","exploits":[{"source":"exploitdb","id":"EDB-4297","title":"Cisco IP Phone 7940 - 3 SIP Messages Remote Denial of Service","type":"dos","platform":"hardware","date":"2007-08-21","verified":true,"url":"https://www.exploit-db.com/exploits/4297"},{"source":"exploitdb","id":"EDB-4298","title":"Cisco IP Phone 7940 - 10 SIP Messages Remote Denial of Service","type":"dos","platform":"hardware","date":"2007-08-21","verified":true,"url":"https://www.exploit-db.com/exploits/4298"}],"products":[{"vendor":"cisco","product":"voip_phone_cp-7940"},{"vendor":"cisco","product":"voip_phone_cp-7960"}],"references":[{"url":"http://www.securityfocus.com/bid/25378","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36125","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sr-20070821-sip.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://secunia.com/advisories/26547","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065401.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://securityreason.com/securityalert/3042","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065402.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://securitytracker.com/id?1018591","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/2928","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.osvdb.org/36695","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4459"},{"url":"https://github.com/advisories/GHSA-r3r7-8q5v-779v"}],"sources":{"cve":[{"id":"CVE-2007-4459","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.","status":"published","published":"2007-08-21T21:00:00Z","modified":"2024-08-07T14:53:56.011Z","updated_at":"2026-11-02T13:33:19.093583Z"}],"euvd":[{"id":"EUVD-2007-4442","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.","status":"published","published":"2007-08-21T21:00:00Z","modified":"2024-08-07T14:53:56Z","updated_at":"2026-11-03T01:16:21.520411Z"}],"ghsa":[{"id":"GHSA-r3r7-8q5v-779v","title":"Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0),...","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.","status":"published","published":"2022-05-01T18:23:55Z","modified":"2023-01-31T05:04:26Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:48:40.043352Z"}],"nvd":[{"id":"CVE-2007-4459","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.","status":"published","published":"2007-08-21T21:17:00Z","modified":"2026-06-16T22:44:08.293Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:19.102336Z"}]}}