CVE-2020-0943 Auth bypass in Microsoft Your Phone Companion App for Android
An unauthenticated attacker can bypass authentication to view notifications in the Microsoft Your Phone Companion Android app.
- 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-2020-0943?
CVE-2020-0943 is a medium-severity authentication bypass vulnerability in Microsoft Your Phone Companion App for Android, published on 15 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An authentication bypass vulnerability exists in Microsoft YourPhoneCompanion application for Android, in the way the application processes notifications generated by work profiles.This could allow an unauthenticated attacker to view notifications, aka 'Microsoft YourPhone Application for Android Authentication Bypass Vulnerability'.
Which versions are affected by CVE-2020-0943?
It affects 1 product.
Products include Microsoft Your Phone Companion.
How do I fix CVE-2020-0943?
No fix has been published for CVE-2020-0943 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-2020-0943 being exploited?
There is no known exploitation of CVE-2020-0943 in the wild and no public exploit code.
Sources
Also known as GHSA-5g9w-mffc-46fh.