CVE-2021-31643 : Security Advisory and Response
Learn about CVE-2021-31643, a Cross-Site Scripting (XSS) vulnerability in CHIYU IoT devices, its impact, affected systems, exploitation mechanism, and mitigation steps to secure your devices.
A Cross-Site Scripting (XSS) vulnerability exists in several IoT devices from CHIYU Technology due to a lack of sanitization on a specific component parameter.
Understanding CVE-2021-31643
This vulnerability affects CHIYU IoT devices such as SEMAC, Biosense, BF-630, BF-631, and Webpass, making them susceptible to remote attacks.
What is CVE-2021-31643?
The vulnerability is an XSS flaw found in CHIYU Technology's IoT devices, allowing attackers to inject malicious scripts due to improper sanitization of the if.cgi - username parameter.
The Impact of CVE-2021-31643
Exploitation of this vulnerability could lead to unauthorized access, data theft, and remote code execution on affected devices, posing a significant risk to user privacy and device security.
Technical Details of CVE-2021-31643
This section outlines the specific technical details related to the vulnerability.
Vulnerability Description
The XSS vulnerability in CHIYU Technology's IoT devices arises from the lack of proper input sanitization on the if.cgi - username parameter, enabling attackers to inject and execute malicious scripts remotely.
Affected Systems and Versions
CHIYU IoT devices such as SEMAC, Biosense, BF-630, BF-631, and Webpass are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting crafted scripts through the vulnerable if.cgi - username parameter, potentially gaining unauthorized access and executing malicious activities on the devices.
Mitigation and Prevention
To safeguard systems against CVE-2021-31643, immediate actions and long-term security practices are essential.
Immediate Steps to Take
Users should apply the latest firmware updates provided by CHIYU Technology to address the XSS vulnerability and enhance the security of the affected IoT devices.
Long-Term Security Practices
Implement robust security measures such as network segmentation, access controls, and regular security assessments to mitigate the risk of similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for firmware patches and security updates released by CHIYU Technology to protect the IoT devices from emerging threats and vulnerabilities.