CVE-2021-30904 Race condition in macOS
A race condition in iMessage allows messages to continue syncing after sign-out, potentially exposing private data to unauthorized users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30904?
CVE-2021-30904 is a medium-severity vulnerability in Apple Macos, published on 24 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-662
Which versions are affected by CVE-2021-30904?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2021-30904?
No fix has been published for CVE-2021-30904 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30904 being exploited?
There is no known exploitation of CVE-2021-30904 in the wild and no public exploit code.