CVE-2023-42847 Auth bypass in iOS and iPadOS
An attacker can access passkeys without authentication due to a logic issue in Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-42847?
CVE-2023-42847 is a high-severity authentication bypass vulnerability in Apple Ipados, published on 25 Oct 2023. 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 checks. This issue is fixed in macOS Sonoma 14.1, iOS 17.1 and iPadOS 17.1. An attacker may be able to access passkeys without authentication.
Which versions are affected by CVE-2023-42847?
It affects 3 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos.
How do I fix CVE-2023-42847?
No fix has been published for CVE-2023-42847 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-2023-42847 being exploited?
There is no known exploitation of CVE-2023-42847 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-fwv4-p95x-f2mc.