CVE-2021-1801 Security feature bypass in iOS and iPadOS

Medium 6.5 Published Updated

Attackers can bypass iframe sandboxing policies via malicious web content, potentially exposing sensitive data or executing code in restricted contexts.

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-2021-1801?

CVE-2021-1801 is a medium-severity vulnerability in Apple Ipad Os, published on 2 Apr 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

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Maliciously crafted web content may violate iframe sandboxing policy.

Which versions are affected by CVE-2021-1801?

It affects 7 products.

Products include Apple Ipad Os, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos, Fedoraproject Fedora and 1 more.

How do I fix CVE-2021-1801?

Upgrade to a fixed version.

Is CVE-2021-1801 being exploited?

There is no known exploitation of CVE-2021-1801 in the wild and no public exploit code.

All Apple Ipad Os vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-1801, GHSA-99vx-wqpw-hqrq, UBUNTU-CVE-2021-1801.

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