CVE-2021-44694
https://notcve.org/view.php?id=CVE-2021-44694
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device. Los dispositivos afectados no procesan correctamente ciertos paquetes especialmente manipulados enviados al puerto 102/tcp, lo que podría permitir a un atacante provocar una denegación de servicio en el dispositivo. • https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf • CWE-20: Improper Input Validation CWE-1287: Improper Validation of Specified Type of Input •
CVE-2021-44693
https://notcve.org/view.php?id=CVE-2021-44693
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device. Los dispositivos afectados no procesan correctamente ciertos paquetes especialmente manipulados enviados al puerto 102/tcp, lo que podría permitir a un atacante provocar una denegación de servicio en el dispositivo. • https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf • CWE-1284: Improper Validation of Specified Quantity in Input •
CVE-2020-28397
https://notcve.org/view.php?id=CVE-2020-28397
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7 PLCSIM Advanced (All versions > V2 < V4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (Version V4.4), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions > V2.5 < V2.9.2), SIMATIC S7-1500 Software Controller (All versions > V2.5 < V21.9), TIM 1531 IRC (incl. SIPLUS NET variants) (Version V2.1). Due to an incorrect authorization check in the affected component, an attacker could extract information about access protected PLC program variables over port 102/tcp from an affected device when reading multiple attributes at once. • https://cert-portal.siemens.com/productcert/pdf/ssa-865327.pdf • CWE-863: Incorrect Authorization •