{"id":"CVE-2009-0057","aliases":["EUVD-2009-0066","GHSA-mcx4-vf2j-97x9"],"status":"published","title":"The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5...","description":"The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the \"client terminates prematurely.\"","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00891,"percentile":0.5966,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2009-01-22T18:00:00Z","modified":"2026-06-16T23:04:10Z","products":[{"vendor":"cisco","product":"unified_communications_manager"}],"references":[{"url":"http://www.securityfocus.com/bid/33379","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id?1021620","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48139","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/0213","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://secunia.com/advisories/33588","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080a61928.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0057"},{"url":"https://github.com/advisories/GHSA-mcx4-vf2j-97x9"}],"sources":{"cve":[{"id":"CVE-2009-0057","description":"The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the \"client terminates prematurely.\"","status":"published","published":"2009-01-22T18:00:00Z","modified":"2024-08-07T04:17:10.469Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0066","description":"The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the \"client terminates prematurely.\"","status":"published","published":"2009-01-22T18:00:00Z","modified":"2024-08-07T04:17:10Z","updated_at":"2026-11-03T01:39:27.659956Z"}],"ghsa":[{"id":"GHSA-mcx4-vf2j-97x9","title":"The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5...","description":"The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the \"client terminates prematurely.\"","status":"published","published":"2022-05-02T03:12:37Z","modified":"2023-01-31T05:07:00Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:07.796746Z"}],"nvd":[{"id":"CVE-2009-0057","description":"The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the \"client terminates prematurely.\"","status":"published","published":"2009-01-22T18:30:03.813Z","modified":"2026-06-16T23:04:10.93Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:33.417327Z"}]}}