CVE-2021-30668 Auth bypass in macOS
An attacker with physical access can bypass the Login Window during a software update on macOS, requiring an OS upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30668?
CVE-2021-30668 is a medium-severity authentication bypass vulnerability in Apple Macos, published on 8 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4. A person with physical access to a Mac may be able to bypass Login Window during a software update.
Weakness: CWE-287
Which versions are affected by CVE-2021-30668?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2021-30668?
No fix has been published for CVE-2021-30668 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-30668 being exploited?
There is no known exploitation of CVE-2021-30668 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-f9wq-3588-gpmc.