CVE-2021-40366 Explained : Impact and Mitigation
Discover details of CVE-2021-40366 affecting Siemens Climatix POL909 devices. Learn about the lack of TLS encryption, impacts, and mitigation steps.
A vulnerability in Siemens Climatix POL909 devices could allow an unauthenticated attacker to intercept sensitive data.
Understanding CVE-2021-40366
This CVE involves vulnerabilities in Climatix POL909 (AWB module) and Climatix POL909 (AWM module) by Siemens.
What is CVE-2021-40366?
This CVE pertains to a lack of TLS encryption in the web server of affected devices, making data transmission vulnerable to interception.
The Impact of CVE-2021-40366
The vulnerability could permit a remote attacker positioned in the middle to access sensitive information or tamper with data.
Technical Details of CVE-2021-40366
Siemens Climatix POL909 vulnerability details are as follows:
Vulnerability Description
- Web server transmits data without TLS encryption
Affected Systems and Versions
- Climatix POL909 (AWB module) < V11.42
- Climatix POL909 (AWM module) < V11.34
Exploitation Mechanism
- Unauthenticated remote attacker intercepts data
Mitigation and Prevention
Steps to address CVE-2021-40366:
Immediate Steps to Take
- Implement TLS encryption for data transmission
- Monitor network traffic for unauthorized access
Long-Term Security Practices
- Regularly update device firmware for security patches
- Conduct security training for personnel
Patching and Updates
- Siemens may release patches for affected versions