Siemens Simatic S7 300 CPU Family (Incl. Related Et200 Cpus And Siplus Variants) vulnerabilities

5 vulnerabilities

Known vulnerabilities in Siemens Simatic S7 300 CPU Family (Incl. Related Et200 Cpus And Siplus Variants), newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

6.5CVE-2020-15791siemenssimatic s7-300 cpu family (incl. related et200 cpus and siplus variants)+3
EPSS score
0.72%
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX (F) 2010 (All versions), SINUMERIK 840D sl (All versions). The authentication protocol between a client and a PLC via port 102/tcp (ISO-TSAP) insufficiently protects the transmitted password. This could allow an attacker that is able to intercept the network traffic to obtain valid PLC credentials.
7.8CVE-2020-15783siemenssimatic s7-300 cpu family (incl. related et200 cpus and siplus variants)+2
EPSS score
1.67%
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.
7.1CVE-2017-2681siemensdevelopment/evaluation kits for profinet io: dk standard ethernet controller+174
EPSS score
0.91%
Specially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of that product. Human interaction is required to recover the system. PROFIBUS interfaces are not affected.
7.1CVE-2017-2680siemensdevelopment/evaluation kits for profinet io: dk standard ethernet controller+200
EPSS score
1.15%
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 systems. PROFIBUS interfaces are not affected.
8.7CVE-2017-12741siemensdevelopment/evaluation kits for profinet io: dk standard ethernet controller+118
EPSS score
3.31%
Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.