CVE-2020-15789: Siemens Polarion Subversion Webclient

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability has been identified in Polarion Subversion Webclient (All versions). The web interface could allow a Cross-Site Request Forgery (CSRF) attack if an unsuspecting user is tricked into accessing a malicious link. Successful exploitation requires user interaction by a legitimate user, who must be authenticated to the web interface. A successful attack could allow an attacker to trigger actions via the web interface that the legitimate user is allowed to perform. This could allow the attacker to read or modify contents of the web application.

Affected products

• Siemens Polarion Subversion Webclient: any version

Published 2020-09-09. Last modified 2026-06-17.