{"cve":"CVE-2011-0228","nvd":{"published":"2011-08-29T20:55:00.753","modified":"2026-06-16T23:27:02.947","status":"Modified","description":"The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://lists.apple.com/archives/security-announce/2011//Jul/msg00004.html","http://lists.apple.com/archives/security-announce/2011//Jul/msg00005.html","http://secunia.com/advisories/45369","http://securityreason.com/securityalert/8361","http://securitytracker.com/id?1025837"],"products":["apple:iphone_os"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-0228","score":0.06547,"percentile":0.93807,"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."]}