CVE-2021-44462 : Vulnerability Insights and Analysis
CVE-2021-44462 involves a high-severity vulnerability in Horner Automation Cscape EnvisionRV allowing attackers to manipulate data structures through malicious project files. Learn about the impact, affected versions, and mitigation steps.
Horner Automation Cscape EnvisionRV vulnerability allows attackers to exploit malicious project files leading to data structure manipulation.
Understanding CVE-2021-44462
This CVE involves Horner Automation's Cscape EnvisionRV software, allowing attackers to exploit improper input validation.
What is CVE-2021-44462?
- Vulnerability in Horner Automation Cscape EnvisionRV v4.50.3.1 and earlier
- Attackers can manipulate data structures via malicious project files
- Requires user interaction to open a malicious HMI project file
The Impact of CVE-2021-44462
- CVSS Score: 7.8 (High Severity)
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2021-44462
This section covers the technical aspects of the vulnerability.
Vulnerability Description
- Lack of validation in user-supplied data
- Allows reads and writes beyond allocated data structures
Affected Systems and Versions
- Horner Automation Cscape EnvisionRV v4.50.3.1 and prior versions
Exploitation Mechanism
- Requires user interaction to open a malicious HMI project file
- Attackers need to trick valid users into opening the file
Mitigation and Prevention
Here are the steps to mitigate and prevent exploitation of CVE-2021-44462.
Immediate Steps to Take
- Update Cscape EnvisionRV to the latest version 4.60
- Contact Horner Automation for software installation queries
Long-Term Security Practices
- Educate users on opening project files from trusted sources
- Implement best practices for secure software development
Patching and Updates
- Regularly update software and firmware to the latest versions