CVE-2021-30887 Security feature bypass in iOS and iPadOS
Attackers can bypass Content Security Policy restrictions by processing maliciously crafted web content on Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-30887?
CVE-2021-30887 is a medium-severity vulnerability in Apple Ipados, published on 24 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy.
Which versions are affected by CVE-2021-30887?
It affects 7 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos, Debian Debian Linux and 1 more.
How do I fix CVE-2021-30887?
Upgrade to a fixed version.
Is CVE-2021-30887 being exploited?
There is no known exploitation of CVE-2021-30887 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 DEBIAN-CVE-2021-30887, UBUNTU-CVE-2021-30887.