{"id":"CVE-2013-3461","aliases":["EUVD-2013-3396","GHSA-r7hf-97hq-qr83"],"status":"published","title":"Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x...","description":"Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.","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":0.01346,"percentile":0.71619,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2013-08-25T01:00:00Z","modified":"2026-06-16T23:55:13Z","products":[{"vendor":"cisco","product":"unified_communications_manager"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130821-cucm","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1028938","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-3461"},{"url":"https://github.com/advisories/GHSA-r7hf-97hq-qr83"}],"sources":{"cve":[{"id":"CVE-2013-3461","description":"Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.","status":"published","published":"2013-08-25T01:00:00Z","modified":"2024-08-06T16:07:38.065Z","updated_at":"2026-11-02T14:34:56.872243Z"}],"euvd":[{"id":"EUVD-2013-3396","description":"Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.","status":"published","published":"2013-08-25T01:00:00Z","modified":"2024-08-06T16:07:38Z","updated_at":"2026-11-03T01:56:35.141483Z"}],"ghsa":[{"id":"GHSA-r7hf-97hq-qr83","title":"Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x...","description":"Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.","status":"published","published":"2022-05-17T03:47:35Z","modified":"2023-01-27T05:09:13Z","updated_at":"2026-11-02T14:43:21.634382Z"}],"nvd":[{"id":"CVE-2013-3461","description":"Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.","status":"published","published":"2013-08-25T03:27:32.673Z","modified":"2026-06-16T23:55:13.7Z","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":"2026-11-02T14:02:35.248411Z"}]}}