Siemens SIMATIC Wincc Runtime Advanced vulnerabilities

17 CVEs affecting Siemens SIMATIC Wincc Runtime Advanced, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-30033, published 2025-08-12.

Highest priority

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

CVE-2021-3449, published 2021-03-25. Medium severity, CVSS 5.9. EPSS: 63.5% chance of exploitation in the next 30 days. An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where…
CVE-2021-27384, published 2021-05-12. Critical severity, CVSS 9.8. EPSS: 2.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\"…
CVE-2021-27385, published 2021-05-12. High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\"…
CVE-2021-27386, published 2021-05-12. High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\"…
CVE-2021-27383, published 2021-05-12. High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\"…
CVE-2019-6575, published 2019-04-17. High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC CP 443-1 OPC UA (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V2.7), SIMATIC HMI Comfort…
CVE-2021-25662, published 2021-05-12. High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\"…
CVE-2019-6568, published 2019-04-17. High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days. The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the…
CVE-2021-25661, published 2021-05-12. High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\"…
CVE-2021-25660, published 2021-05-12. High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\"…

Latest

CVE-2025-30033, published 2025-08-12. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. The affected setup component is vulnerable to DLL hijacking. This could allow an attacker to execute arbitrary code when a legitimate user installs an application that uses the affected setup…
CVE-2023-30756, published 2024-09-10. Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1…
CVE-2023-30755, published 2024-09-10. Medium severity, CVSS 4.4. EPSS: 0.4% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1…
CVE-2023-28827, published 2024-09-10. Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1…
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…