{"id":"CVE-2021-30955","aliases":["EUVD-2021-17872"],"status":"published","description":"A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.04787,"percentile":0.92005,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-362"],"published":"2021-08-24T18:50:55Z","modified":"2026-06-17T03:51:12Z","exploits":[{"source":"pocgithub","id":"GeoSn0w/Pentagram-exploit-tester","title":"GeoSn0w/Pentagram-exploit-tester","date":"2022-03-18","url":"https://github.com/GeoSn0w/Pentagram-exploit-tester"},{"source":"pocgithub","id":"b1n4r1b01/desc_race","title":"b1n4r1b01/desc_race","date":"2022-03-01","url":"https://github.com/b1n4r1b01/desc_race"},{"source":"pocgithub","id":"markie-dev/desc_race_A15","title":"markie-dev/desc_race_A15","date":"2022-03-14","url":"https://github.com/markie-dev/desc_race_A15"},{"source":"pocgithub","id":"nickorlow/CVE-2021-30955-POC","title":"nickorlow/CVE-2021-30955-POC","date":"2022-02-28","url":"https://github.com/nickorlow/CVE-2021-30955-POC"},{"source":"pocgithub","id":"st-rnd/desc_race-1","title":"st-rnd/desc_race-1","date":"2022-03-24","url":"https://github.com/st-rnd/desc_race-1"},{"source":"pocgithub","id":"timb-machine-mirrors/jakeajames-CVE-2021-30955","title":"timb-machine-mirrors/jakeajames-CVE-2021-30955","date":"2022-02-28","url":"https://github.com/timb-machine-mirrors/jakeajames-CVE-2021-30955"},{"source":"pocgithub","id":"verygenericname/CVE-2021-30955-POC-IPA","title":"verygenericname/CVE-2021-30955-POC-IPA","date":"2022-02-28","url":"https://github.com/verygenericname/CVE-2021-30955-POC-IPA"}],"products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/HT212975","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://support.apple.com/en-us/HT212976","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://support.apple.com/en-us/HT212978","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://support.apple.com/en-us/HT212980","tags":["x_refsource_MISC","x_transferred"]}],"sources":{"cve":[{"id":"CVE-2021-30955","description":"A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-08-24T18:50:55Z","modified":"2024-08-03T22:48:14.25Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17872","description":"A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-08-24T18:50:55Z","modified":"2024-08-03T22:48:14Z","updated_at":"2026-11-03T03:24:40.11662Z"}],"nvd":[{"id":"CVE-2021-30955","description":"A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-08-24T19:15:21.913Z","modified":"2026-06-17T03:51:12.71Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:06:57.318236Z"}]}}