Vulnerability in Apple iOS

CVE-2021-30800

This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a malicious Wi-Fi network may result in a denial of service or arbitrary code execution.

EPSS: 0.007 (47.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30800?
CVE-2021-30800 is a high-severity vulnerability in Apple iOS. CVSS score: 8.8/10. Published 2021-09-08.
How severe is CVE-2021-30800?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-30800 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.