CVE-2021-30904

5.3 mediumEPSS 0.8%

Medium (5.3) in apple macos. EPSS 0.8% chance of exploitation in the next 30 days.

A sync issue was addressed with improved state validation. This issue is fixed in macOS Monterey 12.0.1. A user's messages may continue to sync after the user has signed out of iMessage.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
CWE: CWE-662
Published: 2021-08-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:macos

References

https://support.apple.com/en-us/HT212869
https://support.apple.com/en-us/HT212869

Check your stack JSON