CVE-2021-27389: Siemens Opcenter Quality

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability has been identified in Opcenter Quality (All versions < V12.2), QMS Automotive (All versions < V12.30). A private sign key is shipped with the product without adequate protection.

Affected products

• Siemens Opcenter Quality: before 12.2 (fixed in 12.2)
• Siemens Qms Automotive: before 12.30 (fixed in 12.30)

Published 2021-04-22. Last modified 2026-06-17.