Discover the critical details of CVE-2021-27442 affecting Weintek cMT products. Learn about the impact, affected systems, and mitigation strategies to secure your environment.
The Weintek cMT product line has been identified with a critical vulnerability known as cross-site scripting. This vulnerability could enable an unauthorized remote attacker to insert malicious JavaScript code.
Understanding CVE-2021-27442
This section delves into the specifics of CVE-2021-27442, shedding light on its impact, technical details, and mitigation strategies.
What is CVE-2021-27442?
The Weintek cMT product line is susceptible to a cross-site scripting flaw, allowing malicious JavaScript injection by remote threat actors. The issue was reported by Marcin Dudek from CERT.PL to CISA on March 23, 2021.
The Impact of CVE-2021-27442
With a base score of 9.4 (Critical) from CVSS v3.1, the vulnerability poses high risks to confidentiality and integrity. This entails a potential for unauthorized data disclosure and alterations without requiring user privileges.
Technical Details of CVE-2021-27442
Explore the core technical aspects of CVE-2021-27442, including its description, affected systems, and exploitation mechanisms.
Vulnerability Description
The identified cross-site scripting vulnerability in Weintek cMT products allows for the injection of malicious JavaScript code by attackers without authentication.
Affected Systems and Versions
Several Weintek products, including cMT-SVR-1xx/2xx, cMT-G01/G02, cMT-G03/G04, cMT3071/cMT3072/cMT3090/cMT3103/cMT3151, cMT-HDM, cMT-FHD, and cMT-CTRL01, are affected by this security flaw.
Exploitation Mechanism
The low complexity attack vector requires a network connection to exploit the vulnerability, granting threat actors the ability to impact confidentiality, integrity, and availability.
Mitigation and Prevention
Discover actionable steps to mitigate the risks associated with CVE-2021-27442 and safeguard affected systems against potential compromise.
Immediate Steps to Take
Promptly apply the OS upgrades released by Weintek for the impacted products to mitigate the vulnerability. Refer to Weintek's Technical Notice for detailed instructions.
Long-Term Security Practices
Establish robust security practices, including regular security audits, network monitoring, and user training, to enhance overall cybersecurity resilience.
Patching and Updates
Stay updated with security patches and advisories from Weintek to address any emerging vulnerabilities and ensure the protection of your systems.