CVE-2021-20650 : What You Need to Know
Learn about CVE-2021-20650, a CSRF vulnerability in ELECOM NCC-EWF100RMWH2 allowing attackers to hijack administrator sessions and execute unauthorized requests. Find out the impact and mitigation strategies.
A CSRF vulnerability in ELECOM NCC-EWF100RMWH2 allows remote attackers to hijack administrator authentication and execute unauthorized requests, potentially altering device settings or starting the telnet daemon.
Understanding CVE-2021-20650
This CVE identifies a Cross-Site Request Forgery (CSRF) vulnerability affecting ELECOM NCC-EWF100RMWH2 devices.
What is CVE-2021-20650?
The CVE-2021-20650 pertains to a vulnerability in ELECOM NCC-EWF100RMWH2 that enables attackers to manipulate device settings and potentially launch the telnet daemon through unauthorized requests.
The Impact of CVE-2021-20650
The vulnerability can lead to unauthorized access to administrator privileges, jeopardizing device integrity and allowing malicious actors to tamper with critical configurations.
Technical Details of CVE-2021-20650
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The CSRF flaw in ELECOM NCC-EWF100RMWH2 permits threat actors to take over authenticated sessions of administrators, granting them the ability to run various commands via unspecified vectors.
Affected Systems and Versions
The vulnerability impacts ELECOM NCC-EWF100RMWH2 devices across all versions, exposing them to potential exploitation.
Exploitation Mechanism
By leveraging the CSRF vulnerability, remote attackers can forge requests that trick administrators into unintentionally changing device settings or initiating the telnet daemon.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2021-20650.
Immediate Steps to Take
Ensure that device settings are secure and regularly monitor for any unauthorized changes. Additionally, consider disabling the telnet daemon to reduce attack surfaces.
Long-Term Security Practices
Implement robust authentication mechanisms, regularly update firmware, and educate users about the importance of cybersecurity hygiene to prevent future CSRF attacks.
Patching and Updates
Stay informed about security patches released by ELECOM CO.,LTD., and promptly apply relevant updates to protect devices against known vulnerabilities.