{"id":"CVE-2021-30716","aliases":["EUVD-2021-17633","GHSA-f6j8-h69q-85jh"],"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. An attacker in a privileged network position may be able to perform denial of service.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01623,"percentile":0.76448,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-08T14:29:49Z","modified":"2026-06-17T03:50:45Z","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-2021-30716"},{"url":"https://github.com/advisories/GHSA-f6j8-h69q-85jh"}],"sources":{"cve":[{"id":"CVE-2021-30716","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. An attacker in a privileged network position may be able to perform denial of service.","status":"published","published":"2021-09-08T14:29:49Z","modified":"2024-08-03T22:40:31.93Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17633","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. An attacker in a privileged network position may be able to perform denial of service.","status":"published","published":"2021-09-08T14:29:49Z","modified":"2024-08-03T22:40:31Z","updated_at":"2026-11-03T03:24:41.467382Z"}],"ghsa":[{"id":"GHSA-f6j8-h69q-85jh","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. An attacker in a privileged network position may be able to perform denial of service.","status":"published","published":"2022-05-24T19:13:21Z","modified":"2023-01-30T05:01:52Z","updated_at":"2026-11-02T14:46:30.304291Z"}],"nvd":[{"id":"CVE-2021-30716","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. An attacker in a privileged network position may be able to perform denial of service.","status":"published","published":"2021-09-08T15:15:16.043Z","modified":"2026-06-17T03:50:45.117Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.502206Z"}]}}