{"id":"CVE-2021-30783","aliases":["EUVD-2021-17700","GHSA-p7m9-q5j5-3jgv"],"status":"published","title":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big...","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00342,"percentile":0.28148,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2021-09-08T13:48:33Z","modified":"2026-06-17T03:50:53Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"security update - catalina"}],"references":[{"url":"https://support.apple.com/en-us/HT212602","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212600","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212603","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT212805","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Sep/40","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30783"},{"url":"https://github.com/advisories/GHSA-p7m9-q5j5-3jgv"}],"sources":{"cve":[{"id":"CVE-2021-30783","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.","status":"published","published":"2021-09-08T13:48:33Z","modified":"2024-08-03T22:40:32.158Z","updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-17700","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.","status":"published","published":"2021-09-08T13:48:33Z","modified":"2024-08-03T22:40:32Z","updated_at":"2026-11-03T03:24:41.017854Z"}],"ghsa":[{"id":"GHSA-p7m9-q5j5-3jgv","title":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big...","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.","status":"published","published":"2022-05-24T19:13:43Z","modified":"2023-01-30T05:01:58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:46:31.662536Z"}],"nvd":[{"id":"CVE-2021-30783","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.","status":"published","published":"2021-09-08T14:15:11.137Z","modified":"2026-06-17T03:50:53.347Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}