Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30993

High 8.1

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 2.3% (higher than 84% of all known vulnerabilities).

Severity (CVSS NVD)8.1High

Exploit odds (30 days)2.3%top 16.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.

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