CVE-2021-30770 Security feature bypass in iOS
Attackers with kernel code execution can bypass kernel memory mitigations in Apple operating systems, requiring an OS upgrade to fix.
- 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-2021-30770?
CVE-2021-30770 is a medium-severity vulnerability in Apple Iphone Os, published on 8 Sep 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 validation. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
Weakness: CWE-287
Which versions are affected by CVE-2021-30770?
It affects 3 products.
Products include Apple Iphone Os, Apple Tvos, Apple Watchos.
How do I fix CVE-2021-30770?
No fix has been published for CVE-2021-30770 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30770 being exploited?
There is no known exploitation of CVE-2021-30770 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as GHSA-qw3m-7664-26j4.