CVE-2020-7588: Siemens Opcenter Execution Discrete

Medium severity, CVSS 5.3. EPSS: 2.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in Opcenter Execution Discrete (All versions < V3.2), Opcenter Execution Foundation (All versions < V3.2), Opcenter Execution Process (All versions < V3.2), Opcenter Intelligence (All versions < V3.3), Opcenter Quality (All versions < V11.3), Opcenter RD&L (V8.0), SIMATIC IT LMS (All versions < V2.6), SIMATIC IT Production Suite (All versions < V8.0), SIMATIC Notifier Server for Windows (All versions), SIMATIC PCS neo (All versions < V3.0 SP1), SIMATIC STEP 7 (TIA Portal) V15 (All versions < V15.1 Update 5), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 2), SIMOCODE ES V15.1 (All versions < V15.1 Update 4), SIMOCODE ES V16 (All versions < V16 Update 1), Soft Starter ES V15.1 (All versions < V15.1 Update 3), Soft Starter ES V16 (All versions < V16 Update 1). Sending a specially crafted packet to the affected service could cause a partial remote denial-of-service, that would cause the service to restart itself.

Affected products

• Siemens Opcenter Execution Discrete: before 3.2 (fixed in 3.2)
• Siemens Opcenter Execution Foundation: before 3.2 (fixed in 3.2)
• Siemens Opcenter Execution Process: before 3.2 (fixed in 3.2)
• Siemens Opcenter Intelligence: any version
• Siemens Opcenter Quality: before 11.3 (fixed in 11.3)
• Siemens Opcenter Rd&l: version 8.0 only
• Siemens SIMATIC It Lms: any version
• Siemens SIMATIC It Production Suite: any version
• Siemens SIMATIC Notifier Server: any version
• Siemens SIMATIC Pcs Neo: any version
• Siemens SIMATIC Step 7: from 15, up to and including 15.1; version 16 only
• Siemens Simocode Es: any version
• Siemens Soft Starter Es: any version

Published 2020-07-14. Last modified 2026-06-17.