CVE-2020-16213 : Security Advisory and Response
Learn about CVE-2020-16213 affecting Advantech WebAccess HMI Designer. This vulnerability may lead to remote code execution and data disclosure. Find mitigation steps here.
Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior, is susceptible to a vulnerability that could allow remote code execution, information disclosure/modification, or application crashes.
Understanding CVE-2020-16213
This CVE involves an out-of-bounds write vulnerability in Advantech WebAccess HMI Designer.
What is CVE-2020-16213?
The vulnerability in Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior, arises from processing specially crafted project files without proper validation. This flaw may lead to writing beyond the intended buffer area, enabling various malicious activities.
The Impact of CVE-2020-16213
The exploitation of this vulnerability could result in severe consequences, including remote code execution, unauthorized access to or modification of sensitive data, and application instability or crashes.
Technical Details of CVE-2020-16213
Advantech WebAccess HMI Designer's vulnerability is detailed below:
Vulnerability Description
The flaw allows attackers to manipulate project files, leading to buffer overflow and potential execution of arbitrary code.
Affected Systems and Versions
- Product: Advantech WebAccess HMI Designer
- Versions Affected: 2.1.9.31 and prior
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious project files that lack proper data validation, triggering the buffer overflow.
Mitigation and Prevention
To address CVE-2020-16213, consider the following steps:
Immediate Steps to Take
- Apply security patches or updates provided by Advantech promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update software and firmware to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
- Educate users on safe computing practices and the importance of cybersecurity.
Patching and Updates
Ensure that you regularly check for security advisories from Advantech and apply patches as soon as they are released.