Simatic Cp 343-1 Lean Firmware Security Vulnerabilities

CVE-2017-2680

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.

CVE-2017-2681

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.

CVE-2019-13946

Profinet-IO (PNIO) stack versions prior V06.00 do not properly limitinternal resource allocation when multiple legitimate diagnostic packagerequests are sent to the DCE-RPC interface.This could lead to a denial of service condition due to lack of memoryfor devices that include a vulnerable version ...

CVE-2021-33737

A vulnerability has been identified in SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions), SIMATIC CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (All versions < V...