Siemens SIMATIC s7-1500 Firmware vulnerabilities

13 CVEs affecting Siemens SIMATIC s7-1500 Firmware, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-8744, published 2020-11-12.

Highest priority

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

CVE-2014-0160: OpenSSL Information Disclosure Vulnerability, published 2014-04-07. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2022-05-04. EPSS: 100% chance of exploitation in the next 30 days. The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process…
CVE-2018-3639, published 2018-05-22. Medium severity, CVSS 5.5. EPSS: 60.6% chance of exploitation in the next 30 days. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of…
CVE-2017-12741, published 2017-12-26. High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days. Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.
CVE-2018-16559, published 2019-04-17. High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-1500 CPU (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 CPU (All versions <= V1.8.5). Specially crafted network packets sent to port 80/tcp or…
CVE-2018-16558, published 2019-04-17. High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-1500 CPU (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 CPU (All versions <= V1.8.5). Specially crafted network packets sent to port 80/tcp or…
CVE-2018-13815, published 2018-12-13. High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6). An attacker could exhaust the available connection pool of an affected device by opening…
CVE-2019-6575, published 2019-04-17. High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC CP 443-1 OPC UA (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V2.7), SIMATIC HMI Comfort…
CVE-2018-13805, published 2018-10-10. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC ET 200SP Open Controller (All versions >= V2.0 and < V2.1.6), SIMATIC S7-1500 Software Controller (All versions >= V2.0 and < V2.5), SIMATIC S7-1500…
CVE-2019-6568, published 2019-04-17. High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days. The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the…
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…

Latest

CVE-2020-8744, published 2020-11-12. High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days. Improper initialization in subsystem for Intel(R) CSME versions before12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25, Intel(R) TXE versions before 4.0.30 Intel(R) SPS versions before E3_05.01.04.200…
CVE-2018-4843, published 2018-03-20. Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability has been identified in SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All…