CVE-2021-37194 impacts Siemens' COMOS V10.2, V10.3, and V10.4 web components, allowing attackers to upload and store malicious files. Find out the details and mitigation steps.
A vulnerability has been identified in COMOS versions V10.2, V10.3, and V10.4 when web components are used, allowing attackers to upload and store arbitrary files on the webserver, potentially leading to malicious activities.
Understanding CVE-2021-37194
This CVE impacts Siemens' COMOS versions V10.2, V10.3, and V10.4 where the COMOS Web component enables file uploads, posing a security risk.
What is CVE-2021-37194?
The vulnerability in COMOS versions V10.2, V10.3, and V10.4, specifically related to web components, allows the unauthorized upload and storage of files on the webserver.
The Impact of CVE-2021-37194
The exploitation of this vulnerability could enable threat actors to upload and store harmful files, potentially compromising the integrity and security of the system.
Technical Details of CVE-2021-37194
Siemens' COMOS versions V10.2, V10.3, and V10.4 are affected when web components are in use, allowing unauthorized file uploads.
Vulnerability Description
The flaw permits the uploading and storage of arbitrary files through the COMOS Web component, creating a vector for possible malicious file transfers.
Affected Systems and Versions
COMOS V10.2, V10.3 (versions below V10.3.3.3), and V10.4 (versions below V10.4.1) are vulnerable if web components are utilized.
Exploitation Mechanism
An attacker can take advantage of the vulnerability to upload and store files, potentially launching further attacks on the system.
Mitigation and Prevention
To address CVE-2021-37194, immediate action along with long-term security measures and regular patching are crucial.
Immediate Steps to Take
Organizations using affected versions should restrict file uploads and implement access controls to minimize risks.
Long-Term Security Practices
Regular security assessments, employee training, and monitoring file uploads can enhance overall system security.
Patching and Updates
Ensure systems are updated with the latest patches and versions from Siemens to mitigate the vulnerability effectively.