{"cve":"CVE-2011-2586","nvd":{"published":"2012-05-02T10:09:21.237","modified":"2026-06-16T23:31:36.143","status":"Modified","description":"The HTTP client in Cisco IOS 12.4 and 15.0 allows user-assisted remote attackers to cause a denial of service (device crash) via a malformed HTTP response to a request for service installation, aka Bug ID CSCts12249.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://tools.cisco.com/security/center/viewAlert.x?alertId=24436","http://www.securitytracker.com/id?1027005","http://tools.cisco.com/security/center/viewAlert.x?alertId=24436","http://www.securitytracker.com/id?1027005"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-2586","score":0.01189,"percentile":0.67948,"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."]}