CVE-2020-9859: Apple Multiple Products Code Execution Vulnerability
CVE-2020-9859 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03
A memory consumption issue (double free) in the Apple kernel allows a local application to execute arbitrary code with kernel privileges. The vulnerability was addressed through improved memory handling across multiple Apple operating systems.
Yes. CVE-2020-9859 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-9859?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Apple iOS up to (excluding) 13.5.1; Apple iPadOS up to (excluding) 13.5.1; Apple macOS Catalina up to (excluding) 10.15.5 Supplemental Update; Apple tvOS up to (excluding) 13.4.6; and 1 more.
Is there a fix for CVE-2020-9859?
A patch was published on 2020-06-01: Apple released updates for iOS, iPadOS, macOS, tvOS, and watchOS. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2020-9859 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2020-9859?
Check whether you run Apple Multiple Products. 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 up to (excluding) 13.5.1
Apple iPadOS up to (excluding) 13.5.1
Apple macOS Catalina up to (excluding) 10.15.5 Supplemental Update
Apple tvOS up to (excluding) 13.4.6
Apple watchOS up to (excluding) 6.2.6
Timeline
2020-06-05: disclosed: NVD Published Date
2020-06-01: patched: Apple released updates for iOS, iPadOS, macOS, tvOS, and watchOS.
2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
2021-11-03: exploited: Reported as exploited in the wild.