CVE-2021-22803 : Security Advisory and Response
Learn about the CWE-434 vulnerability in Interactive Graphical SCADA System Data Collector (dc.exe) and the potential risks of remote code execution. Find mitigation strategies and essential security practices.
A CWE-434 vulnerability in the Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior) could allow remote code execution, posing a serious security risk.
Understanding CVE-2021-22803
This section provides insights into the nature of the vulnerability and its potential impact.
What is CVE-2021-22803?
The CVE-2021-22803 vulnerability involves an unrestricted file upload flaw that enables attackers to execute arbitrary code by sending crafted messages over the network.
The Impact of CVE-2021-22803
The vulnerability could lead to remote code execution, allowing attackers to compromise the affected system and gain unauthorized access.
Technical Details of CVE-2021-22803
Explore the specific technical aspects related to CVE-2021-22803.
Vulnerability Description
The CWE-434 vulnerability in Interactive Graphical SCADA System Data Collector (dc.exe) allows attackers to upload malicious files and potentially execute arbitrary code, posing a significant security risk.
Affected Systems and Versions
The vulnerability affects versions up to V15.0.0.21243 of the Interactive Graphical SCADA System Data Collector.
Exploitation Mechanism
Attackers can exploit this vulnerability by writing arbitrary files to specific folders within the DC module, gaining the ability to execute remote code through network messages.
Mitigation and Prevention
Discover key steps to mitigate the risks associated with CVE-2021-22803.
Immediate Steps to Take
It is recommended to restrict network access to vulnerable systems, apply security patches promptly, and monitor network traffic for any suspicious activities.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security audits can enhance the overall security posture and prevent similar vulnerabilities.
Patching and Updates
Ensure that the Interactive Graphical SCADA System Data Collector is updated to the latest version that contains patches addressing the CWE-434 vulnerability.