CVE-2021-1813 : Security Advisory and Response

This article provides an overview of CVE-2021-1813, a security vulnerability impacting Apple products.

Understanding CVE-2021-1813

CVE-2021-1813 is a validation issue that has been fixed in multiple Apple products through security updates.

What is CVE-2021-1813?

A validation issue was addressed with improved logic. The vulnerability allows a malicious application to gain root privileges.

The Impact of CVE-2021-1813

CVE-2021-1813 affects various Apple products, potentially exposing them to malicious attacks attempting to gain elevated system privileges.

Technical Details of CVE-2021-1813

Learn more about the specifics of the vulnerability in this section.

Vulnerability Description

The issue involves a security flaw that enables a malicious application to escalate privileges and potentially exploit the affected systems.

Affected Systems and Versions

The following Apple products and versions are impacted by CVE-2021-1813:

iOS and iPadOS versions less than 14.5
tvOS versions less than 14.5
watchOS versions less than 7.4
macOS versions less than 11.3

Exploitation Mechanism

Through the identified validation issue, attackers can craft malicious applications to exploit the vulnerability and gain root privileges.

Mitigation and Prevention

Discover how you can protect your systems against CVE-2021-1813.

Immediate Steps to Take

Users are advised to update their Apple devices to the latest versions to mitigate the risk of exploitation.

Long-Term Security Practices

Implement robust security measures and avoid downloading applications from unknown sources to reduce the likelihood of falling victim to similar vulnerabilities.

Patching and Updates

Apple has released security updates to address CVE-2021-1813 in the following versions:

Security Update 2021-002 Catalina
Security Update 2021-003 Mojave
iOS 14.5 and iPadOS 14.5
watchOS 7.4
tvOS 14.5
macOS Big Sur 11.3