CVE-2021-22807 : Vulnerability Insights and Analysis
Critical CWE-787 vulnerability in Eurotherm by Schneider Electric GUIcon Version 2.0 and earlier could allow remote code execution. Learn about impact, affected systems, and mitigation steps.
A CWE-787: Out-of-bounds Write vulnerability exists in Eurotherm by Schneider Electric GUIcon Version 2.0 (Build 683.003) and prior versions when a malicious *.gd1 configuration file is loaded into the GUIcon tool.
Understanding CVE-2021-22807
This CVE highlights a critical vulnerability in Eurotherm by Schneider Electric GUIcon software that could lead to arbitrary code execution.
What is CVE-2021-22807?
The vulnerability identified as CWE-787 allows attackers to execute arbitrary code by exploiting an out-of-bounds write issue in the GUIcon tool when processing a specially crafted *.gd1 configuration file.
The Impact of CVE-2021-22807
If successfully exploited, this vulnerability could result in unauthorized remote code execution, posing a significant risk to the integrity and security of affected systems.
Technical Details of CVE-2021-22807
This section outlines the specific technical details related to the CVE.
Vulnerability Description
The vulnerability involves an out-of-bounds write when processing a malicious *.gd1 configuration file in the Eurotherm GUIcon tool.
Affected Systems and Versions
The affected product is Eurotherm by Schneider Electric GUIcon Version 2.0 (Build 683.003) and prior versions.
Exploitation Mechanism
Attackers can exploit this vulnerability by enticing a user to load a crafted *.gd1 file into the GUIcon tool, leading to arbitrary code execution.
Mitigation and Prevention
To address CVE-2021-22807, immediate actions and long-term security practices are essential.
Immediate Steps to Take
Users should refrain from opening untrusted or suspicious *.gd1 configuration files and consider applying relevant security patches promptly.
Long-Term Security Practices
Implementing network segmentation, user training on phishing prevention, and regular security updates can enhance overall system resilience.
Patching and Updates
It is crucial for organizations to monitor security advisories from Schneider Electric and apply recommended patches and updates to mitigate the risk posed by CVE-2021-22807.