Vulnerability in Apple iOS

CVE-2021-30797

This issue was addressed with improved checks. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to code execution.

EPSS: 0.018 (76.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/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-2021-30797?
CVE-2021-30797 is a high-severity vulnerability in Apple iOS. CVSS score: 8.8/10. Published 2021-09-08.
How severe is CVE-2021-30797?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-30797 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.