
CVE-2020-28393
https://notcve.org/view.php?id=CVE-2020-28393
12 May 2021 — An unauthenticated remote attacker could create a permanent denial-of-service condition by sending specially crafted OSPF packets. Successful exploitation requires OSPF to be enabled on an affected device on the SCALANCE XM-400, XR-500 (All versions prior to v6.4). Se ha identificado una vulnerabilidad en SCALANCE XM-400 Family (todas las versiones anteriores a V6.4), SCALANCE XR-500 Family (todas las versiones anteriores a V6.4). La implementación del protocolo OSPF en los dispositivos afectados maneja inc... • https://cert-portal.siemens.com/productcert/pdf/ssa-116379.pdf • CWE-682: Incorrect Calculation •

CVE-2019-13946
https://notcve.org/view.php?id=CVE-2019-13946
11 Feb 2020 — Profinet-IO (PNIO) stack versions prior V06.00 do not properly limit internal resource allocation when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface. This could lead to a denial of service condition due to lack of memory for devices that include a vulnerable version of the stack. The security vulnerability could be exploited by an attacker with network access to an affected device. Successful exploitation requires no system privileges and no user interaction. An attacker ... • https://cert-portal.siemens.com/productcert/html/ssa-780073.html • CWE-400: Uncontrolled Resource Consumption •