CVE-2021-3900 : What You Need to Know

A detailed overview of the Cross-Site Request Forgery (CSRF) vulnerability in firefly-iii/firefly-iii.

Understanding CVE-2021-3900

This section delves into the specifics of the CVE-2021-3900 vulnerability affecting firefly-iii/firefly-iii.

What is CVE-2021-3900?

The CVE-2021-3900 vulnerability pertains to Cross-Site Request Forgery (CSRF) in firefly-iii/firefly-iii, allowing malicious users to forge requests on behalf of authenticated users.

The Impact of CVE-2021-3900

With a CVSS base score of 4.3 (Medium), this vulnerability poses a moderate risk, with low integrity impact but requiring user interaction for exploitation.

Technical Details of CVE-2021-3900

Explore the technical aspects of the CVE-2021-3900 vulnerability in firefly-iii/firefly-iii.

Vulnerability Description

The vulnerability allows attackers to perform CSRF attacks by tricking authenticated users into executing unwanted actions.

Affected Systems and Versions

firefly-iii/firefly-iii versions less than or equal to 5.6.2 are affected by this CSRF vulnerability.

Exploitation Mechanism

Attackers can exploit the CSRF vulnerability through network access and low complexity interactions, affecting user integrity without requiring any special privileges.

Mitigation and Prevention

Discover how to mitigate the risks posed by the CVE-2021-3900 vulnerability in firefly-iii/firefly-iii.

Immediate Steps to Take

Users are advised to implement CSRF protection mechanisms, educate users about CSRF risks, and monitor for unusual activity.

Long-Term Security Practices

In the long term, organizations should conduct regular security audits, stay updated on patches, and train employees in secure coding practices.

Patching and Updates

Ensure timely updates of firefly-iii/firefly-iii to versions that address the CSRF vulnerability.