CVE-2021-3863 : Security Advisory and Response

A detailed analysis of CVE-2021-3863, a vulnerability in snipe/snipe-it that could lead to Cross-site Scripting (XSS).

Understanding CVE-2021-3863

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-3863.

What is CVE-2021-3863?

snipe/snipe-it is susceptible to Cross-site Scripting (XSS) due to Improper Neutralization of Input During Web Page Generation.

The Impact of CVE-2021-3863

The vulnerability has a CVSS v3.0 base score of 5.5, categorizing it as a medium severity issue. It requires user interaction for exploitation and can lead to low confidentiality, integrity, and availability impacts.

Technical Details of CVE-2021-3863

Explore the specifics of the vulnerability such as its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

snipe/snipe-it allows for Cross-site Scripting (XSS) attacks by not properly neutralizing input during web page generation.

Affected Systems and Versions

The vulnerability affects snipe/snipe-it versions prior to 5.3.0 where a custom version is being used.

Exploitation Mechanism

The exploit has a low attack complexity and vector, requiring a network connection and user interaction.

Mitigation and Prevention

Discover the immediate steps to secure your system, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Ensure input validation, sanitize user inputs, and educate users regarding XSS risks to mitigate the vulnerability.

Long-Term Security Practices

Develop secure coding practices, perform regular security audits, and implement a web application firewall to prevent XSS attacks.

Patching and Updates

Regularly update snipe/snipe-it to versions beyond 5.3.0 to address the vulnerability and enhance system security.