CVE-2019-8809 Information disclosure in iOS
A local application can read a persistent account identifier due to a validation issue in Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-8809?
CVE-2019-8809 is a low-severity vulnerability in Apple Ipados, published on 27 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A validation issue was addressed with improved logic. This issue is fixed in macOS Catalina 10.15, iOS 13.1 and iPadOS 13.1, tvOS 13, watchOS 6, iOS 13. A local app may be able to read a persistent account identifier.
Which versions are affected by CVE-2019-8809?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos.
How do I fix CVE-2019-8809?
No fix has been published for CVE-2019-8809 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-8809 being exploited?
There is no known exploitation of CVE-2019-8809 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-88vf-xpq3-m34p.