{"cve":"CVE-2011-2072","nvd":{"published":"2011-10-03T23:55:03.453","modified":"2026-06-16T23:30:38.580","status":"Modified","description":"Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su4, 8.x before 8.5(1)su2, and 8.6 before 8.6(1) allows remote attackers to cause a denial of service (memory consumption and device reload or process failure) via a malformed SIP message, aka Bug IDs CSCtl86047 and CSCto88686.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110928-cucm","http://tools.cisco.com/security/center/viewAlert.x?alertId=24129","http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d58.shtml","http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d5a.shtml","http://www.securitytracker.com/id?1026110"],"products":["cisco:ios","cisco:ios_xe","cisco:unified_communications_manager"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2072","score":0.01702,"percentile":0.77242,"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."]}