{"id":"CVE-2010-2840","aliases":["EUVD-2010-2844","GHSA-8q52-6xmp-rvx5"],"status":"published","title":"The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8...","description":"The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.","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":0.0121,"percentile":0.6863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2010-08-26T20:00:00Z","modified":"2026-06-16T23:21:36Z","products":[{"vendor":"cisco","product":"unified_presence_server"}],"references":[{"url":"http://www.vupen.com/english/advisories/2010/2186","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b43909.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-2840"},{"url":"https://github.com/advisories/GHSA-8q52-6xmp-rvx5"}],"sources":{"cve":[{"id":"CVE-2010-2840","description":"The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.","status":"published","published":"2010-08-26T20:00:00Z","modified":"2024-08-07T02:46:48.529Z","updated_at":"2026-11-02T14:33:27.01833Z"}],"euvd":[{"id":"EUVD-2010-2844","description":"The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.","status":"published","published":"2010-08-26T20:00:00Z","modified":"2024-08-07T02:46:48Z","updated_at":"2026-11-03T01:39:36.439258Z"}],"ghsa":[{"id":"GHSA-8q52-6xmp-rvx5","title":"The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8...","description":"The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.","status":"published","published":"2022-05-17T05:48:31Z","modified":"2023-01-28T05:05:00Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:17.062669Z"}],"nvd":[{"id":"CVE-2010-2840","description":"The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.","status":"published","published":"2010-08-26T21:00:01.577Z","modified":"2026-06-16T23:21:36.323Z","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-20"],"updated_at":"2026-11-02T14:01:52.227027Z"}]}}