CVE-2021-30811 Information disclosure in iOS and iPadOS
A local attacker can read sensitive information on Apple iOS, iPadOS, and watchOS devices.
- 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-2021-30811?
CVE-2021-30811 is a medium-severity vulnerability in Apple Ipados, published on 19 Oct 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 checks. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8. A local attacker may be able to read sensitive information.
Which versions are affected by CVE-2021-30811?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Watchos.
How do I fix CVE-2021-30811?
No fix has been published for CVE-2021-30811 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30811 being exploited?
There is no known exploitation of CVE-2021-30811 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-8593-g4x7-7rqc.