CVE-2021-1755 Missing authorization in macOS
An attacker with physical access can bypass lock screen restrictions to read contacts on affected Apple devices.
- 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-2021-1755?
CVE-2021-1755 is a low-severity missing authorization vulnerability in Apple Macos, published on 2 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. A person with physical access to an iOS device may be able to access contacts from the lock screen.
Weakness: CWE-862
Which versions are affected by CVE-2021-1755?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2021-1755?
No fix has been published for CVE-2021-1755 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-1755 being exploited?
There is no known exploitation of CVE-2021-1755 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-xpxw-wxvf-889j.