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Rewterz Threat Advisory –CVE-2021-30807 – Apple macOS Big Sur Vulnerability

Severity

High

Analysis Summary

CVE-2021-30807

Apple macOS Big Sur could allow a local attacker to gain elevated privileges on the system, caused by a memory corruption issue in the IOMobileFrameBuffer component. By using a specially crafted application, an attacker could exploit this vulnerability to execute arbitrary code with kernel privileges.

Impact

  • Unauthorized access
  • Privilege escalation

Affected Vendors

Apple

Affected Products

  • Apple iOS 14.6
  • Apple iPadOS 14.6
  • Apple macOS Big Sur 11.5.0

Remediation

Refer to for patch, upgrade, or suggested workaround information. 

https://support.apple.com/en-us/HT212622

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