CVE-2021-44080 : What You Need to Know
Discover the Command Injection vulnerability in CVE-2021-44080 affecting SerComm h500s. Learn the impact and mitigation steps to secure your device against unauthorized OS command execution.
A Command Injection vulnerability in httpd web server (setup.cgi) in SerComm h500s, FW: lowi-h500s-v3.4.22 allows logged-in administrators to execute arbitrary OS commands as root in the device via the connection_type parameter of the statussupport_diagnostic_tracing.json endpoint.
Understanding CVE-2021-44080
What is CVE-2021-44080?
The CVE-2021-44080 vulnerability is a Command Injection issue found in the httpd web server of SerComm h500s, specifically in the setup.cgi file.
The Impact of CVE-2021-44080
This vulnerability enables authenticated administrators to run commands as root on the device, potentially leading to unauthorized control and manipulation of the system.
Technical Details of CVE-2021-44080
Vulnerability Description
The Command Injection vulnerability in SerComm h500s' httpd web server allows attackers to execute arbitrary commands on the device.
Affected Systems and Versions
- Affected System: SerComm h500s
- Firmware Version: lowi-h500s-v3.4.22
Exploitation Mechanism
Attackers can exploit this issue by manipulating the connection_type parameter of the statussupport_diagnostic_tracing.json endpoint.
Mitigation and Prevention
Immediate Steps to Take
- Update to a patched firmware version that addresses the Command Injection vulnerability.
- Limit access to administrative interfaces to authorized personnel only.
Long-Term Security Practices
- Regularly monitor for firmware updates and security advisories from SerComm.
- Implement strong password policies for device access.
Patching and Updates
It is crucial to install the latest firmware updates provided by SerComm to mitigate the Command Injection vulnerability.