CRITICAL · 9.8

CVE-2021-30655

An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permiss...

Vulnerability Description

An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AppleMac Os X>= 10.15, <= 10.15.5
AppleMacos>= 11.0, < 11.3

References

FAQ

What is CVE-2021-30655?

CVE-2021-30655 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permiss...

How severe is CVE-2021-30655?

CVE-2021-30655 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-30655?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Mac Os X, Apple Macos.