CVE-2022-3770 : What You Need to Know

Yunjing CMS upload_img.html unrestricted upload vulnerability has been classified as critical. Find out the impact, affected systems, and mitigation strategies below.

Understanding CVE-2022-3770

This section provides an overview of the critical vulnerability found in Yunjing CMS.

What is CVE-2022-3770?

CVE-2022-3770 is a critical vulnerability in Yunjing CMS that allows for unrestricted upload via the file /index/user/upload_img.html. This manipulation of the file argument can be exploited remotely.

The Impact of CVE-2022-3770

The impact of this vulnerability is significant as it allows attackers to upload files without restrictions, potentially leading to further exploitation of the system.

Technical Details of CVE-2022-3770

Explore the technical aspects of CVE-2022-3770 below.

Vulnerability Description

The vulnerability stems from improper access controls in Yunjing CMS, specifically allowing for unrestricted file uploads.

Affected Systems and Versions

Yunjing CMS is confirmed to be affected by this vulnerability, with all versions being susceptible to the unrestricted upload issue.

Exploitation Mechanism

The exploitation can be initiated remotely by manipulating the file argument in /index/user/upload_img.html.

Mitigation and Prevention

Discover the steps to mitigate and prevent the CVE-2022-3770 vulnerability.

Immediate Steps to Take

Immediately restrict access to the vulnerable upload functionality and monitor for any suspicious activity on the system.

Long-Term Security Practices

Implement proper access controls, regular security audits, and user input validation to enhance overall system security.

Patching and Updates

Ensure timely updates and patches are applied to Yunjing CMS to address and mitigate the unrestricted upload vulnerability.