{"cve":"CVE-2011-4022","nvd":{"published":"2012-05-03T10:11:39.593","modified":"2026-06-16T23:34:18.300","status":"Modified","description":"The sensor in Cisco Intrusion Prevention System (IPS) 7.0 and 7.1 allows remote attackers to cause a denial of service (file-handle exhaustion and mainApp hang) by making authentication attempts that exceed the configured limit, aka Bug ID CSCto51204.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://www.cisco.com/web/software/282549709/56954/IPS-7-1-3-E4_readme.txt","http://www.cisco.com/web/software/282549709/56954/IPS-7-1-3-E4_readme.txt"],"products":["cisco:intrusion_prevention_system"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-4022","score":0.01337,"percentile":0.71244,"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."]}