CVE-2021-43939 : Exploit Details and Defense Strategies
Learn about CVE-2021-43939 affecting Elcomplus SmartPTT, allowing unauthorized access to higher-level permissions. Take immediate steps to upgrade and enhance security measures.
Elcomplus SmartPTT vulnerability allowing low-authenticated users to access higher-level administration authorization.
Understanding CVE-2021-43939
What is CVE-2021-43939?
Elcomplus SmartPTT is susceptible to unauthorized access by low-authenticated users, enabling them to reach higher-level administration rights.
The Impact of CVE-2021-43939
The vulnerability has a CVSS base score of 8.8 (High severity) with significant impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2021-43939
Vulnerability Description
The issue stems from allowing unauthorized users to obtain elevated privileges by sending requests to specific endpoints.
Affected Systems and Versions
- Product: SmartPTT
- Vendor: Elcomplus
- Vulnerable Version: 1.1
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: Low
- Scope: Changed
- User Interaction: None
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to Elcomplus SmartPTT Version 2.3.4 or later
- Restrict access to critical endpoints
- Monitor and log user activities for anomalies
Long-Term Security Practices
- Implement least privilege access controls
- Regularly update software and security patches
- Conduct security training and awareness programs
Patching and Updates
Elcomplus has released an update addressing the vulnerabilities. Contact Elcomplus support for further assistance.