CVE-2021-44165 : What You Need to Know
Learn about CVE-2021-44165 affecting POWER METER SICAM Q100 devices by Siemens. Discover the impact, technical details, and mitigation steps for this buffer overflow vulnerability.
A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.41). The affected firmware contains a buffer overflow vulnerability in the web application that could allow a remote attacker to potentially execute code. Siemens is the vendor affected by this vulnerability.
Understanding CVE-2021-44165
This CVE pertains to a stack-based buffer overflow vulnerability in the POWER METER SICAM Q100 devices.
What is CVE-2021-44165?
The vulnerability in the affected firmware allows a remote attacker with specific privileges to exploit the buffer overflow in the web application, potentially leading to remote code execution.
The Impact of CVE-2021-44165
The vulnerability poses a significant risk as it could enable a remote attacker to execute arbitrary code on the affected devices, compromising their security.
Technical Details of CVE-2021-44165
CVE-2021-44165 involves a critical security issue with the following details:
Vulnerability Description
- Type: Stack-based Buffer Overflow (CWE-121)
- Description: The buffer overflow vulnerability in the web application of POWER METER SICAM Q100 could be leveraged by a remote attacker for code execution.
Affected Systems and Versions
- Product: POWER METER SICAM Q100
- Vendor: Siemens
- Affected Versions: All versions less than V2.41
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker with engineer or admin privileges by sending crafted requests to the affected device.
Mitigation and Prevention
It is crucial to take immediate action to secure the vulnerable devices:
Immediate Steps to Take
- Upgrade the firmware of POWER METER SICAM Q100 to version V2.41 or newer.
- Implement network segmentation to restrict access to the device.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all devices to protect against known vulnerabilities.
- Conduct security training for personnel to recognize and respond to potential threats.
Patching and Updates
- Stay informed about security advisories from Siemens and apply patches promptly to mitigate risks.