CVE-2020-21999 : Exploit Details and Defense Strategies
Learn about CVE-2020-21999 affecting iWT Ltd FaceSentry Access Control System 6.4.8. Understand the impact, exploitation method, and mitigation steps to secure your systems.
iWT Ltd FaceSentry Access Control System 6.4.8 is vulnerable to an authenticated OS command injection exploit using default credentials. Attackers can execute arbitrary shell commands as the root user through the 'strInIP' POST parameter in the pingTest PHP script.
Understanding CVE-2020-21999
This CVE identifies a critical vulnerability in the iWT Ltd FaceSentry Access Control System 6.4.8.
What is CVE-2020-21999?
The CVE-2020-21999 vulnerability allows attackers to inject and execute unauthorized shell commands as the root user.
The Impact of CVE-2020-21999
The exploitation of this vulnerability can lead to unauthorized access and control over the affected system, potentially compromising sensitive data and system integrity.
Technical Details of CVE-2020-21999
The technical aspects of this CVE provide insight into the vulnerability's nature and potential risks.
Vulnerability Description
The vulnerability in iWT Ltd FaceSentry Access Control System 6.4.8 enables authenticated OS command injection using default credentials.
Affected Systems and Versions
- Product: iWT Ltd FaceSentry Access Control System 6.4.8
- Vendor: iWT Ltd
- Version: 6.4.8
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the 'strInIP' POST parameter in the pingTest PHP script to execute arbitrary shell commands.
Mitigation and Prevention
Protecting systems from CVE-2020-21999 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Change default credentials and implement strong, unique passwords.
- Apply vendor-supplied patches or updates promptly.
- Restrict network access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Implement network segmentation and access controls to limit the impact of potential breaches.
- Educate users on secure practices and awareness of social engineering tactics.
Patching and Updates
- Stay informed about security advisories and updates from the vendor.
- Apply patches and updates as soon as they are available to mitigate the risk of exploitation.