What’s Vulnerable › Vulnerabilities

CVE-2021-27389

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-22 · updated 2026-06-17
• Weakness: CWE-321

Description

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

How to fix

Upgrade to a fixed version: Siemens Opcenter Quality 12.2; Siemens QMS Automotive 12.30. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-788287.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-788287.pdf

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