{"id":"CVE-2015-4226","aliases":["EUVD-2015-4249","GHSA-29v6-j9p2-6qxc"],"status":"published","title":"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support...","description":"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.","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":0.02754,"percentile":0.86325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2015-06-30T15:00:00Z","modified":"2026-06-17T00:26:57Z","products":[{"vendor":"cisco","product":"unified_ip_phones_9900_series_firmware"}],"references":[{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=39554","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1032748","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/75471","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-4226"},{"url":"https://github.com/advisories/GHSA-29v6-j9p2-6qxc"}],"sources":{"cve":[{"id":"CVE-2015-4226","description":"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.","status":"published","published":"2015-06-30T15:00:00Z","modified":"2024-08-06T06:11:11.773Z","updated_at":"2026-11-02T14:35:43.322279Z"}],"euvd":[{"id":"EUVD-2015-4249","description":"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.","status":"published","published":"2015-06-30T15:00:00Z","modified":"2024-08-06T06:11:11Z","updated_at":"2026-11-03T02:22:04.533858Z"}],"ghsa":[{"id":"GHSA-29v6-j9p2-6qxc","title":"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support...","description":"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.","status":"published","published":"2022-05-17T03:08:43Z","modified":"2023-01-27T05:07:02Z","updated_at":"2026-11-02T14:43:02.280319Z"}],"nvd":[{"id":"CVE-2015-4226","description":"The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.","status":"published","published":"2015-06-30T15:59:17.7Z","modified":"2026-06-17T00:26:57.457Z","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-399"],"updated_at":"2026-11-02T14:03:05.884985Z"}]}}