{"cve":"CVE-2011-4006","nvd":{"published":"2012-05-02T10:09:21.597","modified":"2026-06-16T23:34:17.600","status":"Modified","description":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.cisco.com/web/software/283878312/88166/ASA-851-Interim-Release-Notes.html","http://www.securitytracker.com/id?1027008","http://www.cisco.com/web/software/283878312/88166/ASA-851-Interim-Release-Notes.html","http://www.securitytracker.com/id?1027008"],"products":["cisco:5500_series_adaptive_security_appliance","cisco:adaptive_security_appliance_software"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-4006","score":0.01318,"percentile":0.70826,"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."]}