CVE-2021-30657: Apple macOS Unspecified Vulnerability

CVE-2021-30657 · Severity: critical · CVSS 5.5 · Exploited in the wild · Published 2021-11-03

A logic issue in macOS System Preferences allows a malicious application to bypass Gatekeeper security checks. This vulnerability was addressed through improved state management in macOS Big Sur 11.3 and Security Update 2021-002 Catalina.

Technologies: Apple macOS. Vendors: Apple.

Quick answers

Is CVE-2021-30657 exploited in the wild?
Yes. CVE-2021-30657 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-30657?
Critical severity, with a CVSS score of 5.5, published 3 November 2021.
Which products and versions are affected?
Apple macOS Big Sur versions before 11.3; Apple macOS Catalina versions before Security Update 2021-002.
Is there a fix for CVE-2021-30657?
A patch was published on 2021-04-26: Fixed in macOS Big Sur 11.3 and Security Update 2021-002 Catalina Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-30657 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2021-30657?
Check whether you run 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 macOS Big Sur versions before 11.3
  • Apple macOS Catalina versions before Security Update 2021-002

Timeline

  • 2021-09-08: disclosed: NVD Published Date
  • 2021-11-03: kev added: Date added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: advisory: Published date provided in advisory title
  • 2021-04-26: patched: Fixed in macOS Big Sur 11.3 and Security Update 2021-002 Catalina
  • exploited: Apple is aware of reports that this issue may have been actively exploited.

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