CVE-2021-30850 Missing authorization in macOS

What is CVE-2021-30850?

CVE-2021-30850 is a medium-severity missing authorization vulnerability in Apple Mac Os X, published on 19 Oct 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 access issue was addressed with improved access restrictions. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6, tvOS 15. A user may gain access to protected parts of the file system.

Which versions are affected by CVE-2021-30850?

It affects 3 products.

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

How do I fix CVE-2021-30850?

No fix has been published for CVE-2021-30850 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-30850 being exploited?

There is no known exploitation of CVE-2021-30850 in the wild and no public exploit code.

Other vulnerabilities in Apple Mac Os X

• CVE-2014-7169 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2014-6271 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2012-1823 PHP-CGI Query String Parameter Exploited Critical 9.8
• CVE-2021-30713 Apple macOS Unspecified Exploited High 7.8
• CVE-2019-8526 Apple macOS Use-After-Free Exploited High 7.8

All Apple Mac Os X vulnerabilities

Sources

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

Also known as GHSA-px83-9343-xrfj.