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HIGH · 7.8

CVE-2021-30865

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitra...

Vulnerability Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS Score

7.8

HIGH

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

Affected Products

VendorProductVersions
AppleMac Os X< 10.15.7
AppleMacos>= 11.0, < 11.6

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2021-30865?

CVE-2021-30865 is a vulnerability with a CVSS score of 7.8 (HIGH). An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitra...

How severe is CVE-2021-30865?

CVE-2021-30865 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-2021-30865?

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