{"cve":"CVE-2021-30900","nvd":{"published":"2021-08-24T19:15:18.083","modified":"2026-06-17T03:51:06.180","status":"Analyzed","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787"],"references":["https://support.apple.com/en-us/HT212867","https://support.apple.com/en-us/HT212868","https://support.apple.com/kb/HT212872","https://support.apple.com/en-us/HT212867","https://support.apple.com/en-us/HT212868"],"products":["apple:ipados","apple:iphone_os","apple:macos"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-30900","score":0.05204,"percentile":0.92486,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-30900","date_added":"2023-03-30","due_date":"2023-04-20","vendor":"Apple","product":"iOS, iPadOS, and macOS","known_ransomware":false},"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."]}