CVE-2020-9978 Other in iOS and iPadOS
An attacker in a privileged network position can unexpectedly alter application state across multiple Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-9978?
CVE-2020-9978 is a medium-severity vulnerability in Apple Ipados, 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
This issue was addressed with improved setting propagation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. An attacker in a privileged network position may be able to unexpectedly alter application state.
Which versions are affected by CVE-2020-9978?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Watchos.
How do I fix CVE-2020-9978?
No fix has been published for CVE-2020-9978 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-9978 being exploited?
There is no known exploitation of CVE-2020-9978 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-5hfq-49hj-vmf5.