Vulnerability in Apple iOS

CVE-2021-30774

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. A malicious application may be able to gain root privileges.

EPSS: 0.012 (66.2th 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

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30774?
CVE-2021-30774 is a high-severity vulnerability in Apple iOS. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-30774?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-30774 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.