Siemens Simatic S7 300 Cpu 314 vulnerabilities

3 vulnerabilities

Known vulnerabilities in Siemens Simatic S7 300 Cpu 314, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

7.8CVE-2019-18336siemens agsimatic s7-300 cpu family (incl. related et200 cpus and siplus variants)+15
EPSS score
1.72%
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840D sl (All versions < V4.8.6), SINUMERIK 840D sl (All versions < V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp, with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known.7.5CVE-2019-10936siemensdevelopment/evaluation kits for profinet io: dk standard ethernet controller+139
EPSS score
2.07%
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.7.5CVE-2019-10923siemenscp1604_firmware+110
EPSS score
1.40%
An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.