{"cve":"CVE-2011-2577","nvd":{"published":"2011-08-31T23:55:03.300","modified":"2026-06-16T23:31:35.507","status":"Modified","description":"Unspecified vulnerability in Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs, when using software versions before TC 4.0.0 or F9.1, allows remote attackers to cause a denial of service (crash) via a crafted SIP packet to port 5060 or 5061, aka Bug ID CSCtq46500.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://securityreason.com/securityalert/8387","http://securityreason.com/securityalert/8389","http://www.cisco.com/en/US/products/products_security_advisory09186a0080b91395.shtml","http://www.exploit-db.com/exploits/17871","http://www.securityfocus.com/archive/1/519698/100/0/threaded"],"products":["cisco:telepresence_6000_mxp","cisco:telepresence_9000_mxp","cisco:telepresence_c_series_software","cisco:telepresence_codec_c40","cisco:telepresence_codec_c60","cisco:telepresence_codec_c90","cisco:telepresence_e20","cisco:telepresence_e20_software","cisco:telepresence_ex60","cisco:telepresence_ex90","cisco:telepresence_mxp_software"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2577","score":0.12723,"percentile":0.96269,"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."]}