CVE-2023-42855 Auth bypass in iOS and iPadOS

What is CVE-2023-42855?

CVE-2023-42855 is a medium-severity authentication bypass vulnerability in Apple Ipad Os, published on 21 Feb 2024. 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 state management. This issue is fixed in iOS 17.1 and iPadOS 17.1. An attacker with physical access may be able to silently persist an Apple ID on an erased device.

Which versions are affected by CVE-2023-42855?

It affects 2 products.

Products include Apple Ipad Os, Apple Iphone Os.

How do I fix CVE-2023-42855?

No fix has been published for CVE-2023-42855 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-2023-42855 being exploited?

There is no known exploitation of CVE-2023-42855 in the wild and no public exploit code.

Other vulnerabilities in Apple Ipad Os

• CVE-2021-1794 Memory corruption in iOS and iPadOS Critical 9.8
• CVE-2021-1795 Memory corruption in iOS and iPadOS Critical 9.8
• CVE-2021-1796 Memory corruption in iOS and iPadOS Critical 9.8
• CVE-2021-1818 Memory corruption in iOS and iPadOS Critical 9.8
• CVE-2024-23255 Auth bypass in iOS and iPadOS Critical 9.1

All Apple Ipad Os vulnerabilities

Sources

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

Also known as GHSA-8j5h-7226-33mj.