CVE-2021-30844 Information disclosure in macOS

What is CVE-2021-30844?

CVE-2021-30844 is a high-severity vulnerability in Apple Mac Os X, published on 19 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.

Weakness: CWE-401

Which versions are affected by CVE-2021-30844?

It affects 2 products.

Products include Apple Mac Os X, Apple Macos.

How do I fix CVE-2021-30844?

No fix has been published for CVE-2021-30844 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30844 being exploited?

There is no known exploitation of CVE-2021-30844 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-4jhp-rh9m-c8j7.