CVE-2021-30773 Security feature bypass in iOS
A malicious application can bypass code signing checks on Apple mobile operating systems, allowing unauthorized code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30773?
CVE-2021-30773 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, and only if a user opens a file or follows a link.
Official description
An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.
Which versions are affected by CVE-2021-30773?
It affects 3 products.
Products include Apple Iphone Os, Apple Tvos, Apple Watchos.
How do I fix CVE-2021-30773?
No fix has been published for CVE-2021-30773 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30773 being exploited?
There is no known exploitation of CVE-2021-30773 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as GHSA-4gh4-8h8x-f2p8.