CVE-2021-20661 Explained : Impact and Mitigation
Learn about CVE-2021-20661, a critical directory traversal vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5. Understand the impact, affected systems, exploitation, and mitigation steps.
SolarView Compact SV-CPT-MC310 prior to Ver.6.5 has a directory traversal vulnerability that allows authenticated attackers to delete arbitrary files and/or directories on the server through unspecified vectors.
Understanding CVE-2021-20661
This CVE details a critical security issue in SolarView Compact versions prior to Ver.6.5.
What is CVE-2021-20661?
The CVE-2021-20661 vulnerability is a directory traversal flaw in SolarView Compact that enables authenticated attackers to remove files and directories on the server via unknown vectors.
The Impact of CVE-2021-20661
The impact of this vulnerability is severe as it allows unauthorized deletion of critical files and directories, leading to potential data loss, system instability, and unauthorized access.
Technical Details of CVE-2021-20661
This section delves into the technical aspects of the CVE.
Vulnerability Description
The directory traversal vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 permits attackers with authentication to delete files and directories on the server using unidentified methods.
Affected Systems and Versions
The affected product is SolarView Compact by Contec Co., Ltd., specifically versions prior to Ver.6.5.
Exploitation Mechanism
The exploitation of this vulnerability involves authenticated attackers leveraging the directory traversal flaw to delete files and directories on the affected server.
Mitigation and Prevention
To safeguard systems from CVE-2021-20661, immediate actions and long-term security configurations are crucial.
Immediate Steps to Take
Immediate steps include updating SolarView Compact to Ver.6.5 or newer, monitoring system logs for unusual activities, and restricting access to vulnerable systems.
Long-Term Security Practices
Implementing robust access control policies, conducting regular security audits, and educating users on secure practices can enhance long-term security posture.
Patching and Updates
Regularly applying security patches released by the vendor, maintaining up-to-date software versions, and employing intrusion detection systems are essential for preventing CVE-2021-20661 exploits.