CVE-2021-20719 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-20719, an OS Command Injection vulnerability in RFNTPS firmware versions allowing remote code execution with root privileges. Learn how to mitigate this risk.
A vulnerability has been identified in RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier, allowing an attacker on the same network segment to execute arbitrary OS commands with root privilege.
Understanding CVE-2021-20719
This section will provide insights into the nature and impact of the CVE-2021-20719 vulnerability.
What is CVE-2021-20719?
CVE-2021-20719 specifically pertains to an OS Command Injection vulnerability present in RFNTPS firmware versions allowing unauthorized remote code execution.
The Impact of CVE-2021-20719
The vulnerability enables an attacker within the same network segment to execute malicious OS commands with elevated privileges, potentially leading to a complete system compromise.
Technical Details of CVE-2021-20719
In this section, we will delve deeper into the technical aspects of CVE-2021-20719.
Vulnerability Description
CVE-2021-20719 involves the lack of proper input validation, allowing attackers to inject and execute arbitrary OS commands remotely.
Affected Systems and Versions
RFNTPS firmware versions System_01000004 and earlier, as well as Web_01000004 and earlier, are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by an attacker residing on the same network segment by utilizing unspecified attack vectors to gain root access.
Mitigation and Prevention
This section outlines the measures that can be taken to mitigate the risks associated with CVE-2021-20719.
Immediate Steps to Take
It is crucial to apply patches provided by NIPPON ANTENNA Co.,Ltd. promptly to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Maintaining network segmentation, implementing access controls, and regular security audits are recommended for enhanced security posture.
Patching and Updates
Regularly check for firmware updates and security advisories released by the vendor to stay protected from potential exploits and vulnerabilities.