CVE-2022-33174 : Exploit Details and Defense Strategies
Critical CVE-2022-33174 exposes Power Distribution Units to remote authorization bypass attacks through web interface. Learn about impact, mitigation, and prevention.
Power Distribution Units running on Powertek firmware (multiple brands) before version 3.30.30 are affected by a critical vulnerability that allows remote authorization bypass through the web interface. This could lead to high impacts on confidentiality, integrity, and availability of the system.
Understanding CVE-2022-33174
This CVE involves an authorization bypass vulnerability in Power Distribution Units running Powertek firmware.
What is CVE-2022-33174?
CVE-2022-33174 is a critical vulnerability in Power Distribution Units using Powertek firmware versions prior to 3.30.30. It allows remote attackers to bypass authorization through the web interface.
The Impact of CVE-2022-33174
The vulnerability poses a critical risk with a CVSS base score of 9.8, impacting confidentiality, integrity, and availability of the system. An attacker can retrieve sensitive information like usernames and passwords in cleartext.
Technical Details of CVE-2022-33174
This section provides more in-depth technical details about the vulnerability.
Vulnerability Description
The vulnerability allows an attacker to send a specific HTTP packet to the data retrieval interface, bypassing session authorization checks and accessing sensitive data.
Affected Systems and Versions
Power Distribution Units using Powertek firmware versions before 3.30.30 are affected by this vulnerability.
Exploitation Mechanism
To exploit the vulnerability, an attacker needs to send an HTTP packet to /cgi/get_param.cgi with a specific configuration.
Mitigation and Prevention
Protecting systems from CVE-2022-33174 requires immediate actions and long-term security practices.
Immediate Steps to Take
Administrators should update the Powertek firmware to version 3.30.30 or above to mitigate the vulnerability. Additionally, monitoring for any unauthorized access attempts is recommended.
Long-Term Security Practices
Implementing network segmentation, strong access controls, and regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for firmware updates and security patches from the vendor to ensure the system is protected against known vulnerabilities.