CVE-2021-30731 Missing authorization in macOS
An unprivileged application can capture USB devices due to insufficient checks, allowing unauthorized data access on macOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30731?
CVE-2021-30731 is a medium-severity missing authorization vulnerability in Apple Mac Os X, published on 8 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Catalina. An unprivileged application may be able to capture USB devices.
Which versions are affected by CVE-2021-30731?
It affects 2 products.
Products include Apple Mac Os X, Apple Macos.
How do I fix CVE-2021-30731?
No fix has been published for CVE-2021-30731 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-2021-30731 being exploited?
There is no known exploitation of CVE-2021-30731 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as GHSA-m5jg-j887-v87q.