Siemens SIMATIC s7-400 Firmware vulnerabilities

5 CVEs affecting Siemens SIMATIC s7-400 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2018-16557, published 2018-12-13.

Highest priority

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

CVE-2018-4850, published 2018-05-16. High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2),…
CVE-2018-16556, published 2018-12-13. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400…
CVE-2017-2680, published 2017-05-11. Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days. Specially crafted PROFINET DCP broadcast packets could cause a denial of service condition of affected products on a local Ethernet segment (Layer 2). Human interaction is required to recover the…
CVE-2017-2681, published 2017-05-11. Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days. Specially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of that product. Human interaction is required to…
CVE-2018-16557, published 2018-12-13. High severity, CVSS 8.2. EPSS: 0.8% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400…