CVE-2022-42953 : Security Advisory and Response

This article provides detailed information about CVE-2022-42953, a vulnerability found in certain ZKTeco products that could allow access to sensitive information. Explore the impact, technical details, and mitigation steps related to this CVE.

Understanding CVE-2022-42953

CVE-2022-42953 is a security vulnerability identified in ZKTeco products, including ZEM500-510-560-760, ZEM600-800, ZEM720, and ZMM models. The vulnerability allows unauthorized access to sensitive information through specific URLs.

What is CVE-2022-42953?

CVE-2022-42953 affects ZKTeco products with versions potentially before 8.88 for ZEM500-510-560-760, ZEM600-800, ZEM720, and before 15.00 for ZMM200-220-210 models. The vulnerability enables attackers to retrieve sensitive data via direct requests to certain URLs.

The Impact of CVE-2022-42953

Exploitation of CVE-2022-42953 could lead to unauthorized access to sensitive data stored on the affected ZKTeco products. This could result in data breaches, privacy violations, and potential misuse of confidential information.

Technical Details of CVE-2022-42953

The following technical aspects summarize the CVE-2022-42953 vulnerability:

Vulnerability Description

CVE-2022-42953 allows attackers to access sensitive information by making direct requests to specific URLs, such as form/DataApp?style=1 and form/DataApp?style=0. The impacted versions require firmware updates to address this issue.

Affected Systems and Versions

ZKTeco products including ZEM500-510-560-760, ZEM600-800, ZEM720, and ZMM200-220-210 may be affected if running versions earlier than 8.88 and 15.00, respectively. Users of these products should verify their firmware versions.

Exploitation Mechanism

Attackers exploit CVE-2022-42953 by sending direct requests to vulnerable URLs, allowing them to retrieve sensitive information without proper authorization.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-42953, users of ZKTeco products should take the following steps:

Immediate Steps to Take

Update affected products to the fixed firmware versions (8.88 for ZEM500-510-560-760, ZEM600-800, ZEM720, and 15.00 for ZMM200-220-210).
Implement network controls to restrict unauthorized access to sensitive URLs.

Long-Term Security Practices

Regularly monitor for security advisories and patches released by ZKTeco.
Conduct security assessments to identify and address potential vulnerabilities in the environment.

Patching and Updates

Stay informed about firmware updates and security patches provided by ZKTeco.
Promptly apply necessary updates to ensure the protection of sensitive data.