Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30955

High 7.0

In plain English

A high-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.8% (higher than 92% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)7.0High

Exploit odds (30 days)4.8%top 8.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Apple	watchOS	unspecified – before 8.3
Apple	iOS and iPadOS	unspecified – before 15.2
Apple	macOS	unspecified – before 12.1
Apple	macOS	unspecified – before 15.2

References

https://support.apple.com/en-us/HT212975 x_refsource_MISC
https://support.apple.com/en-us/HT212976 x_refsource_MISC
https://support.apple.com/en-us/HT212978 x_refsource_MISC
https://support.apple.com/en-us/HT212980 x_refsource_MISC