CVE-2021-44524: Siemens Sipass Integrated

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability has been identified in SiPass integrated V2.76 (All versions), SiPass integrated V2.80 (All versions), SiPass integrated V2.85 (All versions), Siveillance Identity V1.5 (All versions), Siveillance Identity V1.6 (All versions < V1.6.284.0). Affected applications insufficiently limit the access to the internal user authentication service. This could allow an unauthenticated remote attacker to trigger several actions on behalf of valid user accounts.

Affected products

• Siemens Sipass Integrated: version 2.76 only; version 2.80 only; version 2.85 only
• Siemens Siveillance Identity: from 1.6, up to and including 1.6.284.0; version 1.5 only

Published 2021-12-14. Last modified 2026-06-17.