CVE-2020-3891 Security feature bypass in iOS
Attackers with physical access can bypass reply restrictions on locked devices to respond to messages.
- 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-2020-3891?
CVE-2020-3891 is a low-severity vulnerability in Apple Ipad Os, published on 1 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and iPadOS 13.4, watchOS 6.2. A person with physical access to a locked iOS device may be able to respond to messages even when replies are disabled.
Which versions are affected by CVE-2020-3891?
It affects 3 products.
Products include Apple Ipad Os, Apple Iphone Os, Apple Watchos.
How do I fix CVE-2020-3891?
No fix has been published for CVE-2020-3891 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3891 being exploited?
There is no known exploitation of CVE-2020-3891 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipad Os
Sources
Also known as GHSA-c887-fjhv-3qfj.