CVE-2021-4080 : What You Need to Know

A detailed look into the vulnerability known as Unrestricted Upload of File with Dangerous Type in crater-invoice/crater.

Understanding CVE-2021-4080

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-4080.

What is CVE-2021-4080?

crater-invoice/crater is susceptible to Unrestricted Upload of File with Dangerous Type, allowing potential exploitation.

The Impact of CVE-2021-4080

The vulnerability's CVSS v3.0 base score is 8.8, indicating a high risk with severe confidentiality, integrity, and availability impacts.

Technical Details of CVE-2021-4080

Exploring the specifics of the vulnerability to better understand its implications and risks.

Vulnerability Description

The flaw in crater-invoice/crater permits malicious actors to upload files with hazardous content without proper validation.

Affected Systems and Versions

Versions of crater prior to 6.0.0 are affected by this security issue, leaving them vulnerable to exploitation.

Exploitation Mechanism

The vulnerability is exploited through a low-complexity network attack, highlighting the danger of unauthorized file uploads.

Mitigation and Prevention

Guidelines on how to address and secure systems against the issues presented by CVE-2021-4080.

Immediate Steps to Take

Administrators should restrict file uploads, apply security patches, and monitor for any unauthorized activities or uploads.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and educating users on safe file handling are essential for long-term protection.

Patching and Updates

It is crucial to stay informed about security updates released by crater-invoice to address this vulnerability promptly.