CVE-2021-30767 Privilege escalation in iOS and iPadOS
A local attacker can modify protected file system parts due to a logic issue in Apple operating systems, requiring a security update.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30767?
CVE-2021-30767 is a medium-severity vulnerability in Apple Ipados, published on 23 Dec 2021. 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 macOS Big Sur 11.6.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A local user may be able to modify protected parts of the file system.
Which versions are affected by CVE-2021-30767?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Watchos.
How do I fix CVE-2021-30767?
No fix has been published for CVE-2021-30767 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30767 being exploited?
There is no known exploitation of CVE-2021-30767 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-6wjm-9462-jwr7.