CVE-2021-22778 : Security Advisory and Response
Learn about CVE-2021-22778, an Insufficiently Protected Credentials vulnerability in Schneider Electric products that could allow unauthorized access to critical function blocks.
This article provides an overview of CVE-2021-22778, a vulnerability related to Insufficiently Protected Credentials in Schneider Electric products.
Understanding CVE-2021-22778
This section delves into what CVE-2021-22778 entails and its potential impact.
What is CVE-2021-22778?
CVE-2021-22778 is an Insufficiently Protected Credentials vulnerability affecting EcoStruxure Control Expert, EcoStruxure Process Expert, and SCADAPack RemoteConnect for x70. Unauthorized users could potentially read or modify protected derived function blocks by accessing project files.
The Impact of CVE-2021-22778
The vulnerability could lead to unauthorized access and modification of critical function blocks, posing a security risk to the affected systems.
Technical Details of CVE-2021-22778
This section covers the specifics of the vulnerability in terms of its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability arises from inadequate protection of credentials, allowing unauthorized users to manipulate crucial function blocks.
Affected Systems and Versions
All versions of EcoStruxure Control Expert prior to V15.0 SP1, Unity Pro, EcoStruxure Process Expert, EcoStruxure Hybrid DCS, and SCADAPack RemoteConnect for x70 are impacted.
Exploitation Mechanism
Unauthorized users can exploit this vulnerability when accessing project files, potentially compromising critical function blocks.
Mitigation and Prevention
In this section, mitigation strategies and preventive measures for CVE-2021-22778 are discussed.
Immediate Steps to Take
Users should restrict access to project files, review and update user permissions, and monitor system logs for any unauthorized activities.
Long-Term Security Practices
Implementing strong authentication measures, regular security audits, and employee training on secure practices can enhance system security.
Patching and Updates
Applying the latest security patches and updates from Schneider Electric is crucial to remediate the vulnerability and enhance system security.