CVE-2021-34820 : What You Need to Know
Discover the impact of CVE-2021-34820, a Directory Traversal vulnerability in Novus HTTP Server, allowing unauthorized access to sensitive data. Learn about mitigation and prevention measures.
This CVE-2021-34820 article provides information about the Web Path Directory Traversal vulnerability in the Novus HTTP Server, its impact, technical details, and mitigation steps.
Understanding CVE-2021-34820
This section explores the essential details regarding the vulnerability's discovery and its impact on Novus Management System (NMS) software.
What is CVE-2021-34820?
The CVE-2021-34820 vulnerability involves a Directory Traversal flaw in the Novus HTTP Server, allowing remote unauthenticated attackers to access sensitive data via an HTTP GET request.
The Impact of CVE-2021-34820
The vulnerability's impact is severe, potentially resulting in unauthorized access to sensitive information by malicious actors.
Technical Details of CVE-2021-34820
This section dives deeper into the technical aspects of the vulnerability, affected systems, and exploitation mechanisms.
Vulnerability Description
The Novus HTTP Server is prone to Directory Traversal, enabling attackers to access arbitrary files by manipulating directory traversal sequences.
Affected Systems and Versions
The Directory Traversal vulnerability affects Novus Management System (NMS) software through version 1.51.2.
Exploitation Mechanism
Remote, unauthenticated attackers exploit this issue using crafted HTTP GET requests to navigate the directory structure and access sensitive data.
Mitigation and Prevention
This section outlines the immediate steps and best practices to mitigate the CVE-2021-34820 vulnerability in Novus HTTP Server.
Immediate Steps to Take
System administrators should apply security patches, restrict network access, and implement web application firewalls to prevent unauthorized access.
Long-Term Security Practices
Regular security assessments, continuous monitoring, and employee cybersecurity training can enhance the overall security posture.
Patching and Updates
It is crucial to regularly update the Novus HTTP Server and associated software to address security vulnerabilities and protect against potential exploitation.