CVE-2021-38410 : What You Need to Know

A vulnerability has been identified in AVEVA Software Platform Common Services (PCS) Portal versions 4.5.2, 4.5.1, 4.5.0, and 4.4.6. The issue stems from an uncontrolled search path element that may lead to DLL hijacking, potentially granting an attacker unauthorized control over certain system locations. Learn more about CVE-2021-38410, its impact, and mitigation strategies below.

Understanding CVE-2021-38410

This section delves into the specifics of the vulnerability, its implications, and affected systems.

What is CVE-2021-38410?

The vulnerability in AVEVA PCS Portal versions 4.5.2, 4.5.1, 4.5.0, and 4.4.6 allows for DLL hijacking through an uncontrolled search path element, which could provide attackers control over critical system locations.

The Impact of CVE-2021-38410

With a CVSS base score of 7.3 (High Severity), the vulnerability poses risks of high confidentiality, integrity, and availability impacts. An attacker with low privileges can exploit this flaw locally, necessitating user interaction.

Technical Details of CVE-2021-38410

Explore the vulnerability's technical aspects, affected versions, and exploitation mechanisms.

Vulnerability Description

CVE-2021-38410 arises from an uncontrolled search path element in AVEVA PCS Portal, enabling DLL hijacking that malicious actors can leverage to compromise system security.

Affected Systems and Versions

The vulnerability impacts AVEVA PCS Portal versions 4.5.2, 4.5.1, 4.5.0, and 4.4.6, potentially exposing systems running these versions to exploitation.

Exploitation Mechanism

By manipulating the search path, threat actors can gain unauthorized control over crucial system locations, leading to severe security breaches.

Mitigation and Prevention

Discover effective measures to mitigate the risks associated with CVE-2021-38410 and prevent potential exploitation.

Immediate Steps to Take

Organizations should swiftly apply security updates and evaluate the vulnerability's impact in their specific operational contexts. AVEVA recommends installing the corresponding security patches promptly.

Long-Term Security Practices

Incorporate robust security practices into your workflows, such as regular vulnerability assessments, secure coding principles, and employee training on identifying and reporting security threats.

Patching and Updates

Ensure timely deployment of security updates provided by AVEVA. Security updates for affected versions, such as PCS 4.5.3 and PCS 4.4.7, are available to address the vulnerability.