CVE-2021-30856 Security feature bypass in macOS
A malicious unsandboxed app can bypass Privacy preferences to access data if Remote Login is enabled on macOS.
- 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-2021-30856?
CVE-2021-30856 is a critical 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
This issue was addressed by adding a new Remote Login option for opting into Full Disk Access for Secure Shell sessions. This issue is fixed in macOS Big Sur 11.3. A malicious unsandboxed app on a system with Remote Login enabled may bypass Privacy preferences.
Weakness: CWE-863
Which versions are affected by CVE-2021-30856?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2021-30856?
No fix has been published for CVE-2021-30856 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30856 being exploited?
There is no known exploitation of CVE-2021-30856 in the wild and no public exploit code.