{"cve":"CVE-2010-2840","nvd":{"published":"2010-08-26T21:00:01.577","modified":"2026-06-16T23:21:36.323","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.cisco.com/en/US/products/products_security_advisory09186a0080b43909.shtml","http://www.vupen.com/english/advisories/2010/2186","http://www.cisco.com/en/US/products/products_security_advisory09186a0080b43909.shtml","http://www.vupen.com/english/advisories/2010/2186"],"products":["cisco:unified_presence_server"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-2840","score":0.0121,"percentile":0.68437,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}