CVE-2024-51447: Siemens Polarion Alm

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability has been identified in Polarion V2310 (All versions), Polarion V2404 (All versions < V2404.2). The login implementation of the affected application contains an observable response discrepancy vulnerability when validating usernames. This could allow an unauthenticated remote attacker to distinguish between valid and invalid usernames.

Affected products

• Siemens Polarion Alm: from 2404, before 2410 (fixed in 2410); version 2310 only

Published 2025-05-13. Last modified 2026-06-17.