CVE-2021-30938 Information disclosure in macOS

What is CVE-2021-30938?

CVE-2021-30938 is a high-severity vulnerability in Apple Mac Os X, published on 24 Aug 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 macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A local user may be able to cause unexpected system termination or read kernel memory.

Which versions are affected by CVE-2021-30938?

It affects 2 products.

Products include Apple Mac Os X, Apple Macos.

How do I fix CVE-2021-30938?

No fix has been published for CVE-2021-30938 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30938 being exploited?

There is no known exploitation of CVE-2021-30938 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
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