CVE-2021-44478 : Security Advisory and Response

A vulnerability in Polarion ALM and Polarion WebClient for SVN could allow an attacker to execute arbitrary code through a specially crafted link.

Understanding CVE-2021-44478

This CVE describes a cross-site scripting vulnerability in Siemens' Polarion ALM and Polarion WebClient for SVN.

What is CVE-2021-44478?

A cross-site scripting vulnerability allows attackers to inject malicious scripts into web pages viewed by users.

The Impact of CVE-2021-44478

The vulnerability could enable an attacker to execute arbitrary code and extract sensitive information by sending a crafted link to users with administrator privileges.

Technical Details of CVE-2021-44478

This section provides detailed technical insights into the CVE.

Vulnerability Description

The vulnerability exists due to improper neutralization of data sent to the web page through the SVN WebClient.

Affected Systems and Versions

Polarion ALM: All versions prior to V21 R2 P2
Polarion WebClient for SVN: All versions

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted links to users with administrator privileges.

Mitigation and Prevention

Protect your systems and data from CVE-2021-44478.

Immediate Steps to Take

Apply vendor-released patches or updates promptly.
Monitor and restrict user access rights to minimize the impact of potential exploitation.
Educate users on safe browsing practices to avoid clicking on suspicious links.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Implement strong web application security measures to prevent cross-site scripting attacks.

Patching and Updates

Stay informed about security advisories and updates from Siemens.
Regularly update and patch Polarion ALM and Polarion WebClient for SVN to mitigate security risks.