CVE-2021-22802 : Vulnerability Insights and Analysis
Learn about CVE-2021-22802, a critical vulnerability in Interactive Graphical SCADA System Data Collector (dc.exe) V15.0.0.21243 and earlier, allowing remote code execution.
This article provides details about CVE-2021-22802, a vulnerability in Interactive Graphical SCADA System Data Collector.
Understanding CVE-2021-22802
CVE-2021-22802 is a CWE-120 vulnerability that could lead to remote code execution due to a missing length check on user-supplied data.
What is CVE-2021-22802?
CVE-2021-22802 is a Buffer Copy without Checking Size of Input vulnerability in the Interactive Graphical SCADA System Data Collector (dc.exe) version V15.0.0.21243 and earlier. It allows an attacker to potentially execute remote code by exploiting the lack of input validation.
The Impact of CVE-2021-22802
The impact of this vulnerability is significant as it can result in remote code execution, enabling malicious actors to take control of the affected system, compromise data, or disrupt operations.
Technical Details of CVE-2021-22802
This section delves into the specific technical aspects of the CVE-2021-22802 vulnerability.
Vulnerability Description
The vulnerability arises from a lack of proper length validation on user-supplied data within the Interactive Graphical SCADA System Data Collector application.
Affected Systems and Versions
Affected version: Interactive Graphical SCADA System Data Collector (dc.exe) V15.0.0.21243 and prior.
Exploitation Mechanism
The vulnerability can be exploited by sending a specially crafted message over the network to trigger the buffer overflow and execute arbitrary code.
Mitigation and Prevention
To address CVE-2021-22802, immediate steps must be taken to secure systems and prevent potential exploitation.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update software and firmware to the latest versions.
- Implement network segmentation to contain potential threats.
Patching and Updates
Regularly check for security advisories from the vendor and apply patches as soon as they are released.