What is CVE-2021-30854?

CVE-2021-30854 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 8.6/10. Published 2021-08-24.

How severe is CVE-2021-30854?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2021-30854

A logic issue was addressed with improved state management. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. A sandboxed process may be able to circumvent sandbox restrictions.

Published 2021-08-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Apple iOS And Ipados — versions unspecified
Apple Ipados
Apple Iphone OS
Apple tvOS — versions unspecified
Apple watchOS — versions unspecified

References

Frequently asked questions

What is CVE-2021-30854?: CVE-2021-30854 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 8.6/10. Published 2021-08-24.
How severe is CVE-2021-30854?: High severity. CVSS v3 base score is 8.6 out of 10.