Siemens SIMATIC Wincc Oa v3.18 vulnerabilities

2 CVEs affecting Siemens SIMATIC Wincc Oa v3.18, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-47809, published 2025-05-16.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2023-46280, published 2024-05-14. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability has been identified in Security Configuration Tool (SCT) (All versions), SIMATIC Automation Tool (All versions < V5.0 SP2), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 Upd5), SIMATIC…
• CVE-2025-47809, published 2025-05-16. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. Wibu CodeMeter before 8.30a sometimes allows privilege escalation immediately after installation (before a logoff or reboot). For exploitation, there must have been an unprivileged installation with…