CVE-2022-42787 : Vulnerability Insights and Analysis
Discover the impact and mitigation steps for CVE-2022-42787, a high-severity vulnerability in Wiesemann & Theis' Com-Server Series products. Learn how to secure your systems against unauthorized access.
A vulnerability has been discovered in Wiesemann & Theis' Com-Server Series products, allowing unauthenticated remote attackers to brute force user session IDs and gain unauthorized access to user accounts.
Understanding CVE-2022-42787
This vulnerability affects multiple products in the Com-Server Series by Wiesemann & Theis.
What is CVE-2022-42787?
Multiple W&T products of the Comserver Series use a small number space for allocating sessions IDs. After a user logs in, an unauthenticated remote attacker can brute force the user's session ID and access their account on the device. A user interaction is required for the attack to be successful.
The Impact of CVE-2022-42787
The vulnerability has a CVSS v3.1 base score of 8.8, classifying it as a high-severity issue. Exploitation could lead to unauthorized access to user accounts, posing risks to confidentiality, integrity, and availability.
Technical Details of CVE-2022-42787
This section provides more detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises due to the use of a small number space for session ID allocation, enabling brute force attacks by remote unauthorized users after a successful login.
Affected Systems and Versions
Products including Com-Server LC, Com-Server PoE, and various other Com-Server models are affected if running versions less than 1.48 or 1.76.
Exploitation Mechanism
Remote attackers who are unauthenticated can exploit the vulnerability by brute forcing user session IDs post-login, ultimately gaining unauthorized access to user accounts on the affected devices.
Mitigation and Prevention
To address CVE-2022-42787, immediate steps must be taken to secure the affected systems and prevent potential unauthorized access.
Immediate Steps to Take
Ensure all affected Wiesemann & Theis Com-Server Series products are updated to versions 1.48 or 1.76 or higher to mitigate the vulnerability.
Long-Term Security Practices
Implement strong password policies, multi-factor authentication, and regular security audits to enhance the overall security posture and prevent unauthorized access.
Patching and Updates
Regularly check for security updates and patches provided by the vendor to address known vulnerabilities and strengthen the security of the system.