{"id":"CVE-2021-30773","aliases":["EUVD-2021-17690","GHSA-4gh4-8h8x-f2p8"],"status":"published","title":"An issue in code signature validation was addressed with improved checks. This issue is fixed in...","description":"An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01097,"percentile":0.66081,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-08T13:47:36Z","modified":"2026-06-17T03:50:52Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/en-us/HT212601","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212605","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212604","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30773"},{"url":"https://github.com/advisories/GHSA-4gh4-8h8x-f2p8"}],"sources":{"cve":[{"id":"CVE-2021-30773","description":"An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.","status":"published","published":"2021-09-08T13:47:36Z","modified":"2024-08-03T22:40:32.188Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17690","description":"An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.","status":"published","published":"2021-09-08T13:47:36Z","modified":"2024-08-03T22:40:32Z","updated_at":"2026-11-03T03:24:41.017854Z"}],"ghsa":[{"id":"GHSA-4gh4-8h8x-f2p8","title":"An issue in code signature validation was addressed with improved checks. This issue is fixed in...","description":"An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.","status":"published","published":"2022-05-24T19:13:44Z","modified":"2023-01-30T05:02:01Z","updated_at":"2026-11-02T14:46:32.670383Z"}],"nvd":[{"id":"CVE-2021-30773","description":"An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.","status":"published","published":"2021-09-08T14:15:10.71Z","modified":"2026-06-17T03:50:52.223Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}