What is CVE-2021-30896?

CVE-2021-30896 is a medium-severity vulnerability in Apple iOS And Ipados. CVSS score: 5.5/10. Published 2021-08-24.

How severe is CVE-2021-30896?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2021-30896

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, tvOS 15.1, watchOS 8.1, macOS Monterey 12.0.1. A malicious application may be able to read user's gameplay data.

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

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Apple iOS And Ipados — versions unspecified
Apple Ipad OS
Apple Iphone OS
Apple macOS — versions unspecified, 12.0
Apple tvOS
Apple watchOS

References

Frequently asked questions

What is CVE-2021-30896?: CVE-2021-30896 is a medium-severity vulnerability in Apple iOS And Ipados. CVSS score: 5.5/10. Published 2021-08-24.
How severe is CVE-2021-30896?: Medium severity. CVSS v3 base score is 5.5 out of 10.