What is CVE-2021-30820?

CVE-2021-30820 is a critical-severity vulnerability in Apple iOS And Ipados. CVSS score: 9.8/10. Published 2021-10-19.

How severe is CVE-2021-30820?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2021-30820

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.8 and iPadOS 14.8. A remote attacker may be able to cause arbitrary code execution.

EPSS: 0.022 (80.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Ios And Ipados — versions unspecified
Apple Ipados
Apple Iphone_os

References

product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-30820?: CVE-2021-30820 is a critical-severity vulnerability in Apple iOS And Ipados. CVSS score: 9.8/10. Published 2021-10-19.
How severe is CVE-2021-30820?: Critical severity. CVSS v3 base score is 9.8 out of 10.