Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30748

High 7.8

In plain English

A high-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS NVD)7.8High

Exploit odds (30 days)1.4%top 28.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS	unspecified – before 14.7
Apple	macOS	unspecified – before 11.5

References

https://support.apple.com/kb/HT212604 x_refsource_CONFIRM
https://support.apple.com/en-us/HT212601 x_refsource_MISC
https://support.apple.com/en-us/HT212602 x_refsource_MISC