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
- Apple Ios And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone_os
- Apple Macos — versions unspecified
- Apple Tvos
- Apple Watchos — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
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.