CVE-2020-27632

https://notcve.org/view.php?id=CVE-2020-27632

10 Mar 2021 — In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions. En la familia SIMATIC MV400 versiones anteriores a la v7.0.6, el generador ISN es inicializado con un valor constante y presenta incrementos constantes. Un atacante podría predecir y secuestrar sesiones de TCP • https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf •