CVE-2020-7587

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 multiple specially crafted packets to the affected service could cause a partial remote denial-of-service, that would cause the service to restart itself. On some cases the vulnerability could leak random information from the remote service.

• CWE-400
• CWE-400

• https://cert-portal.siemens.com/productcert/pdf/ssa-841348.pdfVendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-841348.pdfVendor Advisory

Published

Jul 14, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-7580A vulnerability has been identified in SIMATIC Automation To…6.7
• CVE-2020-7581A vulnerability has been identified in Opcenter Execution Di…6.7
• CVE-2020-7583A vulnerability has been identified in Automation License Ma…7.8
• CVE-2020-7584A vulnerability has been identified in SIMATIC S7-200 SMART …7.5
• CVE-2020-7585A vulnerability has been identified in SIMATIC PCS 7 V8.2 an…7.8
• CVE-2020-7586A vulnerability has been identified in SIMATIC PCS 7 V8.2 an…7.8
• CVE-2020-7588A vulnerability has been identified in Opcenter Execution Di…5.3
• CVE-2020-7589A vulnerability has been identified in LOGO! 8 BM (incl. SIP…9.1
• CVE-2020-7590A vulnerability has been identified in DCA Vantage Analyzer …6.8
• CVE-2020-7591A vulnerability has been identified in SIPORT MP (All versio…8.8
• CVE-2020-7592A vulnerability has been identified in SIMATIC HMI Basic Pan…6.5
• CVE-2020-7593A vulnerability has been identified in LOGO! 8 BM (incl. SIP…9.8