CVE-2021-30983 vulnerability in Apple Products
Published on August 24, 2021

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.

Vendor Advisory NVD

Known Exploited Vulnerability

This Apple iOS and iPadOS Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple iOS and iPadOS contain a buffer overflow vulnerability that could allow an application to execute code with kernel privileges.

The following remediation steps are recommended / required by July 18, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-30983 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Buffer Overflow Vulnerability?

The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

CVE-2021-30983 has been classified to as a Buffer Overflow vulnerability or weakness.

Products Associated with CVE-2021-30983

You can be notified by stack.watch whenever vulnerabilities like CVE-2021-30983 are published in these products:

Apple iPad OS

Apple iOS

What versions are vulnerable to CVE-2021-30983?