{"id":"CVE-2021-30655","aliases":["EUVD-2021-17572","GHSA-4wxr-8w46-674r"],"status":"published","title":"An application may be able to execute arbitrary code with system privileges. This issue is fixed...","description":"An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02289,"percentile":0.83451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-08T14:47:09Z","modified":"2026-06-17T03:50:37Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT212325","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212326","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30655"},{"url":"https://github.com/advisories/GHSA-4wxr-8w46-674r"}],"sources":{"cve":[{"id":"CVE-2021-30655","description":"An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.","status":"published","published":"2021-09-08T14:47:09Z","modified":"2024-08-03T22:40:31.699Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17572","description":"An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.","status":"published","published":"2021-09-08T14:47:09Z","modified":"2024-08-03T22:40:31Z","updated_at":"2026-11-03T03:24:41.467382Z"}],"ghsa":[{"id":"GHSA-4wxr-8w46-674r","title":"An application may be able to execute arbitrary code with system privileges. This issue is fixed...","description":"An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.","status":"published","published":"2022-05-24T19:13:30Z","modified":"2023-01-30T05:01:53Z","updated_at":"2026-11-02T14:46:30.744651Z"}],"nvd":[{"id":"CVE-2021-30655","description":"An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.","status":"published","published":"2021-09-08T15:15:13.037Z","modified":"2026-06-17T03:50:37.883Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}