CVE-2021-30768 Security feature bypass in Security Update - Catalina

What is CVE-2021-30768?

CVE-2021-30768 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

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. A sandboxed process may be able to circumvent sandbox restrictions.

Which versions are affected by CVE-2021-30768?

It affects 5 products.

Products include Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos, Apple Watchos.

How do I fix CVE-2021-30768?

No fix has been published for CVE-2021-30768 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30768 being exploited?

There is no known exploitation of CVE-2021-30768 in the wild and no public exploit code.

Other vulnerabilities in Apple Iphone Os

• CVE-2021-30666 Apple iOS WebKit Buffer Overflow Exploited High 8.8
• CVE-2021-30761 Apple iOS WebKit Memory Corruption Exploited High 8.8
• CVE-2021-30762 Apple iOS WebKit Use-After-Free Exploited High 8.8
• CVE-2016-4657 Apple iOS Webkit Memory Corruption Exploited High 8.8
• CVE-2019-7286 Apple Multiple Products Memory Corruption Exploited High 7.8

All Apple Iphone Os vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6hrr-25fh-jc7j.