CVE-2020-9934: Apple iOS, iPadOS, and macOS Input Validation Vulnerability

CVE-2020-9934 · Severity: critical · CVSS 5.5 · Exploited in the wild · Published 2022-09-08

An input validation issue in the handling of environment variables in Apple iOS, iPadOS, and macOS allows a local attacker to view sensitive user information. The vulnerability was addressed by improving validation logic in system updates.

Technologies: Apple iPadOS, Apple macOS, Apple watchOS, Cisco IOS. Vendors: Apple, Cisco.

Quick answers

Is CVE-2020-9934 exploited in the wild?
Yes. CVE-2020-9934 is known to be exploited in the wild, first recorded on 8 September 2022. Treat it as urgent.
How severe is CVE-2020-9934?
Critical severity, with a CVSS score of 5.5, published 8 September 2022.
Which products and versions are affected?
Apple iOS < 13.6; Apple iPadOS < 13.6; Apple macOS Catalina < 10.15.6.
Is there a fix for CVE-2020-9934?
A patch was published on 2020-07-15: Fixed in iOS 13.6, iPadOS 13.6, and macOS Catalina 10.15.6 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2020-9934 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2020-9934?
Check whether you run Apple iPadOS, Apple macOS, Apple watchOS or one of the others listed. 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 < 13.6
  • Apple iPadOS < 13.6
  • Apple macOS Catalina < 10.15.6

Timeline

  • 2020-10-16: disclosed: NVD Published Date
  • 2022-09-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2020-07-15: patched: Fixed in iOS 13.6, iPadOS 13.6, and macOS Catalina 10.15.6

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