Siemens SIMATIC s7-1500 CPU 1511c-1 Firmware vulnerabilities

8 CVEs affecting Siemens SIMATIC s7-1500 CPU 1511c-1 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-44695, published 2022-12-13.

Highest priority

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

CVE-2021-37204, published 2022-02-09. High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU…
CVE-2021-37185, published 2022-02-09. High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >=…
CVE-2021-37205, published 2022-02-09. High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >=…
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.
CVE-2022-30694, published 2022-11-08. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. The login endpoint /FormLogin in affected web services does not apply proper origin checking. This could allow authenticated remote attackers to track the activities of other users via a login…