Siemens SIMATIC s7-400 CPU Firmware vulnerabilities

4 CVEs affecting Siemens SIMATIC s7-400 CPU Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2016-9159, published 2016-12-17.

Highest priority

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

CVE-2012-3017, published 2012-07-31. High severity, CVSS 7.8. EPSS: 3.5% chance of exploitation in the next 30 days. Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed…
CVE-2012-3016, published 2012-07-31. High severity, CVSS 7.8. EPSS: 3.5% chance of exploitation in the next 30 days. Siemens SIMATIC S7-400 PN CPU devices with firmware 6 before 6.0.3 allow remote attackers to cause a denial of service (defect-mode transition and service outage) via crafted ICMP packets.
CVE-2016-9158, published 2016-12-17. High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and…
CVE-2016-9159, published 2016-12-17. Medium severity, CVSS 5.9. EPSS: 1.5% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and…