CVE-2020-29633 Auth bypass in macOS

What is CVE-2020-29633?

CVE-2020-29633 is a high-severity authentication bypass vulnerability in Apple Mac Os X, published on 2 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An authentication issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. An attacker in a privileged network position may be able to bypass authentication policy.

Which versions are affected by CVE-2020-29633?

It affects 2 products.

Products include Apple Mac Os X, Apple Macos.

How do I fix CVE-2020-29633?

No fix has been published for CVE-2020-29633 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-29633 being exploited?

There is no known exploitation of CVE-2020-29633 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-jhxv-qx9r-5q73.