1. Home
  2. CVE Database
  3. CVE-2021-30981
HIGH · 7.8

CVE-2021-30981

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execut...

Vulnerability Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execute arbitrary code with kernel privileges.

CVSS Score

7.8

HIGH

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

Affected Products

VendorProductVersions
AppleMac Os X>= 10.15, < 10.15.7
AppleMacos>= 11.0, < 11.6.2

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2021-30981?

CVE-2021-30981 is a vulnerability with a CVSS score of 7.8 (HIGH). A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execut...

How severe is CVE-2021-30981?

CVE-2021-30981 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30981?

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