CVE-2021-33001 Explained : Impact and Mitigation
Understand CVE-2021-33001 affecting xArrow SCADA versions 7.2 and earlier. Learn about the impact, technical details, and mitigation steps to secure your systems from cross-site scripting attacks.
A detailed overview of the cross-site scripting vulnerability in xArrow SCADA versions 7.2 and prior, its impact, technical details, and mitigation strategies.
Understanding CVE-2021-33001
A cross-site scripting vulnerability affecting xArrow SCADA versions 7.2 and earlier, allowing unauthorized code execution.
What is CVE-2021-33001?
xArrow SCADA versions 7.2 and previous are susceptible to cross-site scripting due to a parameter in the 'xhisvalue.htm' resource, enabling attackers to execute malicious code.
The Impact of CVE-2021-33001
With a CVSS base score of 6.1, this vulnerability poses a medium risk, affecting confidentiality and integrity, and requiring user interaction for exploitation.
Technical Details of CVE-2021-33001
Insights into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability stems from the 'bdate' parameter in 'xhisvalue.htm', facilitating cross-site scripting attacks that could lead to arbitrary code execution.
Affected Systems and Versions
xArrow SCADA versions 7.2 and previous are impacted by this vulnerability, potentially exposing users to security risks.
Exploitation Mechanism
Attackers can exploit this flaw by injecting malicious code through the vulnerable 'bdate' parameter, compromising the system's security.
Mitigation and Prevention
Guidelines to mitigate the CVE-2021-33001 vulnerability and enhance overall security posture.
Immediate Steps to Take
- Disable web server implementation, minimize network exposure, and restrict remote access.
- Secure remote connections using VPNs and update these solutions regularly to address known vulnerabilities.
Long-Term Security Practices
Deploying proper impact analysis, risk assessment, and continuous security monitoring can bolster defenses against potential threats.
Patching and Updates
xArrow SCADA users should urge the vendor to address these vulnerabilities promptly and implement security patches to safeguard their systems.