Siemens SIMATIC s7-1500 CPU 1518 Firmware vulnerabilities

8 CVEs affecting Siemens SIMATIC s7-1500 CPU 1518 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-44695, published 2022-12-13.

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

• CVE-2019-10936, published 2019-10-10. High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days. Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition.
• CVE-2019-10929, published 2019-08-13. Medium severity, CVSS 5.9. EPSS: 1% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC CP 1626 (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU…
• CVE-2019-10943, published 2019-08-13. High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC Drive Controller family (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open…
• 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…