CVE-2021-30999 Missing authorization in iOS and iPadOS

What is CVE-2021-30999?

CVE-2021-30999 is a medium-severity missing authorization vulnerability in Apple Ipados, published on 24 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The issue was addressed with improved permissions logic. This issue is fixed in iOS 14.6 and iPadOS 14.6. A user may be unable to fully delete browsing history.

Weakness: CWE-276

Which versions are affected by CVE-2021-30999?

It affects 2 products.

Products include Apple Ipados, Apple Iphone Os.

How do I fix CVE-2021-30999?

No fix has been published for CVE-2021-30999 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-30999 being exploited?

There is no known exploitation of CVE-2021-30999 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 Exploited Critical 10.0
• CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write Exploited Critical 10.0
• CVE-2025-24085 Apple Multiple Products Use-After-Free Exploited Critical 10.0
• CVE-2025-31200 Apple Multiple Products Memory Corruption Exploited Critical 9.8
• CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write Exploited Critical 9.8

All Apple Ipados vulnerabilities

Sources

• CVE record
• NVD
• OSV
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