CVE-2021-20706 Explained : Impact and Mitigation
Learn about CVE-2021-20706, an input validation vulnerability in CLUSTERPRO X 4.3 for Windows by NEC Corporation enabling remote file upload. Find out the impact, affected systems, and mitigation steps.
This article discusses the CVE-2021-20706 vulnerability found in CLUSTERPRO X software by NEC Corporation.
Understanding CVE-2021-20706
This CVE relates to an improper input validation vulnerability in various versions of CLUSTERPRO X software allowing remote file upload via network.
What is CVE-2021-20706?
The CVE-2021-20706 vulnerability involves a flaw in the WebManager of CLUSTERPRO X and EXPRESSCLUSTER X software versions 4.3 for Windows and earlier, allowing attackers to upload files remotely.
The Impact of CVE-2021-20706
This vulnerability could be exploited by malicious actors to upload unauthorized files into the affected systems, potentially leading to further compromise or unauthorized access.
Technical Details of CVE-2021-20706
This section outlines the specific technical details of the CVE-2021-20706 vulnerability.
Vulnerability Description
The vulnerability arises due to improper input validation in the WebManager component of CLUSTERPRO X software versions 4.3 for Windows and earlier, enabling the remote file upload capability.
Affected Systems and Versions
The affected products include CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, and EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier.
Exploitation Mechanism
Attackers can exploit this vulnerability by utilizing the network to upload files to the target system, bypassing proper validation mechanisms.
Mitigation and Prevention
To safeguard systems from the CVE-2021-20706 vulnerability, certain measures need to be implemented.
Immediate Steps to Take
Organizations should consider restricting network access to potentially vulnerable systems and apply relevant security patches or updates provided by NEC Corporation.
Long-Term Security Practices
Implement stringent input validation measures throughout the software development lifecycle and conduct regular security audits to identify and mitigate any potential vulnerabilities.
Patching and Updates
Regularly monitor for security advisories from NEC Corporation and promptly apply any patches or updates released to address known vulnerabilities.