Siemens Simatic S7-300 Cpu 315 Firmware vulnerabilities

CVE-2019-18336 [HIGH] CWE-400 CVE-2019-18336: A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLU 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

CVE-2019-10936 [HIGH] CWE-400 CVE-2019-10936: Affected devices improperly handle large amounts of specially crafted UDP packets. This could all 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-2019-10923 [HIGH] CWE-400 CVE-2019-10923: An attacker with network access to an affected product may cause a denial of service condition by br 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.