All vulnerabilities
CVE-2021-30657

Apple macOS Unspecified Vulnerability

Apple macOSOperating systems
Open in ThreatlineRecord JSON
CVSS
5.5Medium
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)68.5%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in11.3Also 2021CVE List
Federal deadline17 Nov 2021Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 25 Mar 2021Exploit code publicMetasploit
  2. 8 Sep 2021, 14:49 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Exploit modulemacOS Gatekeeper check bypass 25 Mar 2021Metasploit

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.

Text from CVE List

Affected versions 2

  • macOSaffected: unspecified before 11.3CVE List
  • macOSaffected: unspecified before 2021CVE List

References 4