{"id":"CVE-2021-30676","aliases":["EUVD-2021-17593","GHSA-5gpp-vqxm-hc58"],"status":"published","title":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur...","description":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0033,"percentile":0.26463,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-08T14:26:02Z","modified":"2026-06-17T03:50:40Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT212529","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212530","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212531","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30676"},{"url":"https://github.com/advisories/GHSA-5gpp-vqxm-hc58"}],"sources":{"cve":[{"id":"CVE-2021-30676","description":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2021-09-08T14:26:02Z","modified":"2024-08-03T22:40:31.756Z","updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-17593","description":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2021-09-08T14:26:02Z","modified":"2024-08-03T22:40:31Z","updated_at":"2026-11-03T03:24:41.467382Z"}],"ghsa":[{"id":"GHSA-5gpp-vqxm-hc58","title":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur...","description":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2022-05-24T19:13:27Z","modified":"2023-01-30T05:01:56Z","updated_at":"2026-11-02T14:46:31.204916Z"}],"nvd":[{"id":"CVE-2021-30676","description":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2021-09-08T15:15:14.08Z","modified":"2026-06-17T03:50:40.403Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.6,"vector":"AV:L/AC:L/Au:N/C:C/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}