CVE-2020-9934 vulnerability in Apple Products
Published on October 16, 2020

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This Apple iOS, iPadOS, and macOS Input Validation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple iOS, iPadOS, and macOS contain an unspecified vulnerability involving input validation which can allow a local attacker to view sensitive user information.

The following remediation steps are recommended / required by September 29, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2020-9934 is exploitable with local system access, and requires small amount of user privileges. 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 have a high impact on confidentiality, with no impact on integrity and availability.

Products Associated with CVE-2020-9934

You can be notified by stack.watch whenever vulnerabilities like CVE-2020-9934 are published in these products:

Apple iPad OS

Apple iOS

Apple Mac OSX