CVE-2020-7373 : Security Advisory and Response

vBulletin 5.5.4 through 5.6.2 is vulnerable to remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE is a duplicate of CVE-2020-17496.

Understanding CVE-2020-7373

This CVE involves a security vulnerability in vBulletin versions 5.5.4 through 5.6.2 that allows remote command execution.

What is CVE-2020-7373?

The vulnerability in vBulletin versions 5.5.4 through 5.6.2 enables remote attackers to execute commands through specially crafted data in a specific type of request.

The Impact of CVE-2020-7373

The vulnerability poses a significant risk as it allows unauthorized remote command execution, potentially leading to complete system compromise.

Technical Details of CVE-2020-7373

vBulletin 5.5.4 through 5.6.2 is susceptible to remote command execution due to a flaw in processing subWidgets data in a particular type of request.

Vulnerability Description

The issue arises from inadequate handling of subWidgets data, allowing attackers to execute commands remotely.

Affected Systems and Versions

vBulletin versions 5.5.4 through 5.6.2

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted data in an ajax/render/widget_tabbedcontainer_tab_panel request to execute arbitrary commands.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2020-7373.

Immediate Steps to Take

Apply security patches provided by vBulletin promptly.
Monitor for any unusual activities on the system.
Implement network security measures to restrict unauthorized access.

Long-Term Security Practices

Regularly update and patch all software to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Stay informed about security updates from vBulletin and apply them as soon as they are released.