Vulnerability · Published Aug 24, 2021 · Assigned by apple
CVE-2021-30857
High 7.0
In plain English
A high-severity security flaw in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS NVD)7.0High
Exploit odds (30 days)0.9%top 39.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212804 x_refsource_MISC
- https://support.apple.com/en-us/HT212805 x_refsource_MISC
- https://support.apple.com/en-us/HT212807 x_refsource_MISC
- https://support.apple.com/en-us/HT212814 x_refsource_MISC
- https://support.apple.com/en-us/HT212819 x_refsource_MISC
- https://support.apple.com/en-us/HT212815 x_refsource_MISC