CVE-2020-27900 Information disclosure in macOS
A malicious application can preview files it lacks access to due to improper permissions logic in snapshot handling.
- 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-2020-27900?
CVE-2020-27900 is a medium-severity vulnerability in Apple Macos, published on 8 Dec 2020. 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
An issue existed in the handling of snapshots. The issue was resolved with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to preview files it does not have access to.
Which versions are affected by CVE-2020-27900?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2020-27900?
No fix has been published for CVE-2020-27900 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27900 being exploited?
There is no known exploitation of CVE-2020-27900 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-gph7-96qh-f4cv.