CVE-2021-30883

CVE-2021-30883 is a high-severity (CVSS 7.8) vulnerability in Apple Multiple Products. CISA added it to the Known Exploited Vulnerabilities catalog on May 23, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by June 13, 2022. CISA does not currently list it as used in ransomware campaigns. Apple has 96 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

• https://support.apple.com/en-us/HT212846
• https://support.apple.com/en-us/HT212868
• https://support.apple.com/en-us/HT212869
• https://support.apple.com/en-us/HT212872
• https://support.apple.com/en-us/HT212874
• https://support.apple.com/en-us/HT212876
• https://support.apple.com/en-us/HT212846
• https://support.apple.com/en-us/HT212868