CVE-2021-30820 Other in iOS and iPadOS
A logic issue in iOS and iPadOS allows remote attackers to execute arbitrary code, requiring an OS upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30820?
CVE-2021-30820 is a critical vulnerability in Apple Ipados, published on 19 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A logic issue was addressed with improved state management. This issue is fixed in iOS 14.8 and iPadOS 14.8. A remote attacker may be able to cause arbitrary code execution.
Which versions are affected by CVE-2021-30820?
It affects 2 products.
Products include Apple Ipados, Apple Iphone Os.
How do I fix CVE-2021-30820?
No fix has been published for CVE-2021-30820 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30820 being exploited?
There is no known exploitation of CVE-2021-30820 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-px9r-xxrx-3xj6.