CVE-2021-1874 Privilege escalation in iOS and iPadOS
An application can execute arbitrary code with kernel privileges due to a logic issue in state management, requiring an OS upgrade.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-1874?
CVE-2021-1874 is a high-severity vulnerability in Apple Ipados, published on 8 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may be able to execute arbitrary code with kernel privileges.
Which versions are affected by CVE-2021-1874?
It affects 2 products.
Products include Apple Ipados, Apple Iphone Os.
How do I fix CVE-2021-1874?
No fix has been published for CVE-2021-1874 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-1874 being exploited?
There is no known exploitation of CVE-2021-1874 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-9rvf-pr75-p78c.