{"cve":"CVE-2013-3453","nvd":{"published":"2013-08-22T22:55:05.093","modified":"2026-06-16T23:55:12.957","status":"Modified","description":"Memory leak in Cisco Unified Communications Manager IM and Presence Service before 8.6(5)SU1 and 9.x before 9.1(2), and Cisco Unified Presence, allows remote attackers to cause a denial of service (memory and CPU consumption) by making many TCP connections to port (1) 5060 or (2) 5061, aka Bug ID CSCud84959.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130821-cup","http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130821-cup"],"products":["cisco:unified_communications_manager","cisco:unified_presence"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-3453","score":0.01887,"percentile":0.79527,"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."]}