{"id":"CVE-2007-1833","aliases":["EUVD-2007-1827","GHSA-6p2g-28fm-38rf"],"status":"published","title":"The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3...","description":"The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02429,"percentile":0.84343,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-04-03T00:00:00Z","modified":"2026-06-16T22:38:23Z","products":[{"vendor":"cisco","product":"unified_callmanager"}],"references":[{"url":"http://securitytracker.com/id?1017826","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/33295","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/24665","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2007/1144","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/23181","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-1833"},{"url":"https://github.com/advisories/GHSA-6p2g-28fm-38rf"}],"sources":{"cve":[{"id":"CVE-2007-1833","description":"The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.","status":"published","published":"2007-04-03T00:00:00Z","modified":"2024-08-07T13:13:40.905Z","updated_at":"2026-11-02T13:34:03.879328Z"}],"euvd":[{"id":"EUVD-2007-1827","description":"The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.","status":"published","published":"2007-04-03T00:00:00Z","modified":"2024-08-07T13:13:40Z","updated_at":"2026-11-03T01:38:23.856285Z"}],"ghsa":[{"id":"GHSA-6p2g-28fm-38rf","title":"The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3...","description":"The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.","status":"published","published":"2022-05-01T17:57:34Z","modified":"2023-01-31T05:03:56Z","updated_at":"2026-11-02T14:48:34.409462Z"}],"nvd":[{"id":"CVE-2007-1833","description":"The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.","status":"published","published":"2007-04-03T00:19:00Z","modified":"2026-06-16T22:38:23.083Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:14.732044Z"}]}}