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CVE-2021-45721 Explained : Impact and Mitigation

Learn about CVE-2021-45721 affecting JFrog Artifactory versions before 7.36.1, a Cross-Site Scripting vulnerability with a CVSS score of 6.1. Find mitigation steps and best practices here.

JFrog Artifactory prior to version 7.29.8 and 6.23.38 is vulnerable to Reflected Cross-Site Scripting (XSS) through one of the XHR parameters in the Users REST API endpoint.

Understanding CVE-2021-45721

What is CVE-2021-45721?

JFrog Artifactory versions before 7.36.1 are affected by a Reflected Cross-Site Scripting (XSS) vulnerability in the Users REST API.

The Impact of CVE-2021-45721

This vulnerability has a CVSS base score of 6.1 with a medium severity rating. It requires high privileges and user interaction to exploit, impacting confidentiality and integrity.

Technical Details of CVE-2021-45721

Vulnerability Description

        Vulnerability Type: Cross-site Scripting (XSS)
        Affected Component: Users REST API in JFrog Artifactory

Affected Systems and Versions

        JFrog Artifactory versions before 7.29.8
        JFrog Artifactory versions before 6.23.41

Exploitation Mechanism

The vulnerability allows attackers to execute malicious scripts in the context of the user's session by manipulating XHR parameters.

Mitigation and Prevention

Immediate Steps to Take

        Upgrade JFrog Artifactory to version 7.36.1 or later.
        Apply security best practices to user input validation.

Long-Term Security Practices

        Conduct regular security audits and code reviews.
        Educate users on safe browsing habits and phishing awareness.

Patching and Updates

        Stay informed about security advisories from JFrog.

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