{"id":"CVE-2007-5537","aliases":["EUVD-2007-5512","GHSA-62w5-fwxx-rpgg"],"status":"published","title":"Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified...","description":"Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01978,"percentile":0.80659,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2007-10-18T00:00:00Z","modified":"2026-06-16T22:46:21Z","products":[{"vendor":"cisco","product":"unified_callmanager"},{"vendor":"cisco","product":"unified_communications_manager"}],"references":[{"url":"http://www.securityfocus.com/bid/26105","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37246","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/3532","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a00808dda34.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://osvdb.org/37941","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018828","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://secunia.com/advisories/27296","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5537"},{"url":"https://github.com/advisories/GHSA-62w5-fwxx-rpgg"}],"sources":{"cve":[{"id":"CVE-2007-5537","description":"Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.","status":"published","published":"2007-10-18T00:00:00Z","modified":"2024-08-07T15:31:59.077Z","updated_at":"2026-11-02T13:32:11.910312Z"}],"euvd":[{"id":"EUVD-2007-5512","description":"Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.","status":"published","published":"2007-10-18T00:00:00Z","modified":"2024-08-07T15:31:59Z","updated_at":"2026-11-03T01:16:16.701576Z"}],"ghsa":[{"id":"GHSA-62w5-fwxx-rpgg","title":"Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified...","description":"Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.","status":"published","published":"2022-05-01T18:34:25Z","modified":"2023-01-31T05:04:38Z","updated_at":"2026-11-02T14:48:42.511023Z"}],"nvd":[{"id":"CVE-2007-5537","description":"Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.","status":"published","published":"2007-10-18T00:17:00Z","modified":"2026-06-16T22:46:21.477Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:22.203764Z"}]}}