Siemens SIMATIC s7-1500 Software Controller Firmware vulnerabilities

8 CVEs affecting Siemens SIMATIC s7-1500 Software Controller Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-46156, published 2023-12-12.

Highest priority

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

CVE-2020-15796, published 2020-12-14. High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains…
CVE-2023-46156, published 2023-12-12. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal…
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-2023-28831, published 2023-09-12. High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days. The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate…
CVE-2021-40365, published 2022-12-13. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
CVE-2021-44695, published 2022-12-13. Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days. Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
CVE-2021-44693, published 2022-12-13. Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days. Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
CVE-2021-44694, published 2022-12-13. Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days. Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.