Vulnerability in Apple iOS And Ipados

CVE-2021-30955

A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Race Condition

EPSS: 0.046 (90.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30955?
CVE-2021-30955 is a high-severity vulnerability in Apple iOS And Ipados, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2021-08-24.
How severe is CVE-2021-30955?
High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2021-30955 known to be exploited?
22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.