CRITICAL · 9.8

CVE-2021-30805

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application ma...

Vulnerability Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

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>= 10.14, <= 10.14.6
AppleMacos>= 11.0, < 11.5

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-30805?

CVE-2021-30805 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application ma...

How severe is CVE-2021-30805?

CVE-2021-30805 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-2021-30805?

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