What is CVE-2021-30859?

CVE-2021-30859 is a high-severity vulnerability in Apple Ipados, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.8/10. Published 2021-08-24.

How severe is CVE-2021-30859?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple Ipados

CVE-2021-30859

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

EPSS: 0.012 (63.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Ipados
Apple Iphone_os
Apple Macos — versions unspecified
Apple Mac_os_x — versions 10.15.7

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

product-security@apple.com (x_refsource_MISC)
product-security@apple.com (x_refsource_MISC)
product-security@apple.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30859?: CVE-2021-30859 is a high-severity vulnerability in Apple Ipados, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.8/10. Published 2021-08-24.
How severe is CVE-2021-30859?: High severity. CVSS v3 base score is 7.8 out of 10.