CVE-2021-20649 : Exploit Details and Defense Strategies
Learn about CVE-2021-20649 impacting ELECOM WRC-300FEBK-S. Explore the vulnerability, its impact, affected systems, and mitigation steps to protect your device.
ELECOM WRC-300FEBK-S has been identified with a critical vulnerability related to improper certificate validation. This vulnerability could allow an attacker to perform a man-in-the-middle attack, enabling them to manipulate communication responses and potentially execute arbitrary OS commands on the affected device.
Understanding CVE-2021-20649
This section will provide insights into the nature of the CVE-2021-20649 vulnerability.
What is CVE-2021-20649?
The CVE-2021-20649 vulnerability involves improper certificate validation in ELECOM WRC-300FEBK-S, which could lead to unauthorized execution of OS commands through a man-in-the-middle attack.
The Impact of CVE-2021-20649
The impact of this vulnerability is severe as it allows threat actors to compromise the integrity and security of the affected device by executing arbitrary commands.
Technical Details of CVE-2021-20649
In this section, we will delve into the technical aspects of CVE-2021-20649.
Vulnerability Description
The vulnerability arises from the improper handling of certificate validation within the ELECOM WRC-300FEBK-S device, providing an avenue for malicious actors to intercept and alter communication responses.
Affected Systems and Versions
The specific affected product is the WRC-300FEBK-S by ELECOM CO., LTD., with the same version number.
Exploitation Mechanism
By exploiting this vulnerability via a man-in-the-middle attack, threat actors can manipulate communication responses to execute unauthorized OS commands.
Mitigation and Prevention
This section will cover the necessary steps to mitigate and prevent the exploitation of CVE-2021-20649.
Immediate Steps to Take
Users are advised to apply security patches provided by the vendor and implement secure communication practices to reduce the risk of exploitation.
Long-Term Security Practices
Regularly updating the device's firmware, monitoring for unusual activities, and employing network security measures are essential for long-term security.
Patching and Updates
Stay informed about security updates and patch releases from ELECOM CO., LTD. to safeguard your device against potential threats.