CVE-2021-1787 : Vulnerability Insights and Analysis

A local attacker may be able to elevate their privileges due to multiple issues in Apple products. The vulnerability is fixed in various updates for macOS, watchOS, tvOS, iOS, and iPadOS.

Understanding CVE-2021-1787

This CVE record addresses multiple vulnerabilities in Apple products that could allow a local attacker to elevate their privileges.

What is CVE-2021-1787?

CVE-2021-1787 is a security vulnerability that affects iOS, iPadOS, macOS, watchOS, and tvOS. It allows a local attacker to escalate their privileges on the affected system.

The Impact of CVE-2021-1787

The impact of this vulnerability is that an attacker with local access could potentially gain higher privileges on the compromised device. This could lead to further exploitation of the system.

Technical Details of CVE-2021-1787

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability involves logic issues in Apple products, allowing a local attacker to perform privilege escalation attacks.

Affected Systems and Versions

The vulnerability affects iOS and iPadOS versions less than 14.4, macOS versions less than 11.2, and macOS versions less than 7.3.

Exploitation Mechanism

A local attacker can exploit this vulnerability to elevate their privileges on the target system, potentially leading to unauthorized access.

Mitigation and Prevention

To mitigate the risk associated with CVE-2021-1787, users and administrators can take the following steps.

Immediate Steps to Take

Update the affected Apple products to the latest versions where the vulnerability is fixed.
Limit local access to vulnerable systems to trusted entities only.

Long-Term Security Practices

Regularly monitor for security updates and apply them promptly.
Employ the principle of least privilege to restrict user access rights.

Patching and Updates

Apply the necessary security patches provided by Apple to address the CVE-2021-1787 vulnerability.