Vulnerability in Apple iOS And Ipados

CVE-2021-30677

This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to break out of its sandbox.

EPSS: 0.003 (27.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

References

Frequently asked questions

What is CVE-2021-30677?
CVE-2021-30677 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 8.8/10. Published 2021-09-08.
How severe is CVE-2021-30677?
High severity. CVSS v3 base score is 8.8 out of 10.