CVE-2021-44478: Siemens Polarion Alm

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability has been identified in Polarion ALM (All versions < V21 R2 P2), Polarion WebClient for SVN (All versions). A cross-site scripting is present due to improper neutralization of data sent to the web page through the SVN WebClient in the affected product. An attacker could exploit this to execute arbitrary code and extract sensitive information by sending a specially crafted link to users with administrator privileges.

Affected products

• Siemens Polarion Alm: before 21.0 (fixed in 21.0); version 21.0 only
• Siemens Polarion Subversion Webclient: any version

Published 2022-03-08. Last modified 2026-06-17.