CVE-2021-37152 : Vulnerability Insights and Analysis

Multiple XSS issues exist in Sonatype Nexus Repository Manager 3 before 3.33.0. An authenticated attacker with the ability to add HTML files to a repository could redirect users to Nexus Repository Manager’s pages with code modifications.

Understanding CVE-2021-37152

This CVE identifies multiple XSS vulnerabilities in Sonatype Nexus Repository Manager version 3 before 3.33.0.

What is CVE-2021-37152?

CVE-2021-37152 highlights the presence of cross-site scripting (XSS) flaws within Sonatype Nexus Repository Manager, allowing an authenticated attacker to manipulate HTML files in a repository to modify code content and redirect users to malicious pages.

The Impact of CVE-2021-37152

The exploitation of these vulnerabilities could lead to unauthorized code modifications within Nexus Repository Manager, potentially compromising the integrity of user interactions and data stored within the platform.

Technical Details of CVE-2021-37152

These are the technical aspects related to CVE-2021-37152.

Vulnerability Description

The vulnerability allows attackers to introduce malicious code into HTML files within Nexus Repository Manager, enabling unauthorized redirection of users to compromised pages.

Affected Systems and Versions

Sonatype Nexus Repository Manager versions 3.x up to 3.32.0 are vulnerable to these XSS issues, highlighting the importance of updating to version 3.33.0 or later.

Exploitation Mechanism

To exploit this vulnerability, attackers need authenticated access to the platform to upload HTML files with malicious code and then redirect unsuspecting users to compromised pages.

Mitigation and Prevention

Protecting systems from CVE-2021-37152 is crucial to maintaining cybersecurity.

Immediate Steps to Take

Organizations should update their Sonatype Nexus Repository Manager to version 3.33.0 or the latest available release to mitigate the risk of exploitation.

Long-Term Security Practices

Deploying web application firewalls, conducting regular security assessments, and educating users on safe browsing practices can enhance the overall security posture against XSS attacks.

Patching and Updates

Regularly monitor security advisories from Sonatype and apply patches promptly to address newly identified vulnerabilities and maintain a secure environment.