CVE-2020-3837: Apple Multiple Products Memory Corruption Vulnerability
CVE-2020-3837 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-06-27
A memory corruption vulnerability in Apple's operating systems (iOS, iPadOS, macOS, tvOS, and watchOS) allows an application to execute arbitrary code with kernel privileges. The issue was addressed through improved memory handling and is known to have been exploited in the wild.
Yes. CVE-2020-3837 is known to be exploited in the wild, first recorded on 27 June 2022. Treat it as urgent.
How severe is CVE-2020-3837?
Critical severity, with a CVSS score of 7.8, published 27 June 2022.
Which products and versions are affected?
Apple iOS < 13.3.1; Apple iPadOS < 13.3.1; Apple macOS Catalina < 10.15.3; Apple tvOS < 13.3.1; and 1 more.
Is there a fix for CVE-2020-3837?
A patch was published on 2020-01-28: Fixed in iOS 13.3.1, iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2020-3837 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2020-3837?
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 < 13.3.1
Apple iPadOS < 13.3.1
Apple macOS Catalina < 10.15.3
Apple tvOS < 13.3.1
Apple watchOS < 6.1.2
Timeline
2020-02-27: disclosed: NVD Published Date
2022-06-27: kev added: Added to CISA Known Exploited Vulnerabilities Catalog