What is CVE-2021-30729?

CVE-2021-30729 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.5/10. Published 2021-09-08.

How severe is CVE-2021-30729?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2021-30729

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 14.6 and iPadOS 14.6. A device may accept invalid activation results.

Published 2021-09-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

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

References

support.apple.com/en-us/HT212528 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-30729?: CVE-2021-30729 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.5/10. Published 2021-09-08.
How severe is CVE-2021-30729?: High severity. CVSS v3 base score is 7.5 out of 10.