CVE-2021-30869: Apple iOS, iPadOS, and macOS Type Confusion Vulnerability
CVE-2021-30869 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03
A type confusion vulnerability in the XNU kernel of Apple iOS, iPadOS, and macOS allows a malicious application to execute arbitrary code with kernel privileges. The issue stems from improper state handling and has been observed being exploited in the wild.
Yes. CVE-2021-30869 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-30869?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Apple iOS < 12.5.5, 14.0 to < 14.4; Apple iPadOS < 14.4; Apple macOS Big Sur < 11.2; Apple macOS Catalina 10.15.7 (prior to Security Update 2021-006); and 1 more.
Is there a fix for CVE-2021-30869?
A patch was published on 2021-09-23: Apple released updates for iOS 12.5.5 and macOS Catalina. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-30869 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2021-30869?
Check whether you run Apple iPadOS or Apple macOS. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Apple iOS < 12.5.5, 14.0 to < 14.4
Apple iPadOS < 14.4
Apple macOS Big Sur < 11.2
Apple macOS Catalina 10.15.7 (prior to Security Update 2021-006)
Apple macOS Mojave 10.14.6 (prior to Security Update 2021-001)
Timeline
2021-09-23: patched: Apple released updates for iOS 12.5.5 and macOS Catalina.
2021-11-03: disclosed: Vulnerability published and added to CISA KEV.
2021-11-03: kev added
2021-11-03: exploited: Apple reported awareness of active exploitation in the wild.