CVE-2020-13537 : Vulnerability Insights and Analysis
Learn about CVE-2020-13537, a critical privilege elevation vulnerability in Moxa MXView series 3.1.8. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation. This vulnerability allows an attacker to execute arbitrary code or replace binaries, posing a critical security risk.
Understanding CVE-2020-13537
This CVE involves a privilege escalation vulnerability in Moxa MXView series 3.1.8, potentially leading to unauthorized code execution.
What is CVE-2020-13537?
The vulnerability in Moxa MXView series 3.1.8 allows attackers to manipulate file system permissions, enabling them to inject malicious code or substitute legitimate binaries.
The Impact of CVE-2020-13537
The severity of this vulnerability is rated as Critical with a CVSS base score of 9.3. The impact includes high confidentiality and integrity risks, with a potential for significant availability impact.
Technical Details of CVE-2020-13537
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from improper file system permissions in Moxa MXView series 3.1.8, enabling attackers to escalate privileges and execute unauthorized code.
Affected Systems and Versions
- Product: Moxa
- Version: Moxa MXView Series 3.1.8
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- Scope: Changed
- User Interaction: None
Mitigation and Prevention
Protecting systems from CVE-2020-13537 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches promptly to address the vulnerability in Moxa MXView series 3.1.8.
- Monitor system logs for any suspicious activities that might indicate exploitation attempts.
Long-Term Security Practices
- Implement the principle of least privilege to restrict unnecessary access rights.
- Conduct regular security audits and assessments to identify and remediate vulnerabilities proactively.
Patching and Updates
Regularly update and patch software to ensure that known vulnerabilities are mitigated effectively.