Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30943

Medium 4.3

In plain English

A medium-severity security flaw in watchOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS NVD)4.3Medium

Exploit odds (30 days)0.8%top 43.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An issue in the handling of group membership was resolved with improved logic. This issue is fixed in iOS 15.2 and iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1. A malicious user may be able to leave a messages group but continue to receive messages in that group.

Affected products (as reported)

Vendor	Product	Versions
Apple	watchOS	unspecified – before 8.3
Apple	watchOS	unspecified – before 15.2
Apple	watchOS	unspecified – before 12.1

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