A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSiemens Simatic S7 400
HWSiemenswszystkie wersjeSiemens Simatic S7 400 Firmware
OSSiemens≤ 4.0< 5.2Siemens Simatic S7 400h
HWSiemenswszystkie wersjeSiemens Simatic S7 400h Firmware
OSSiemens≤ 4.5
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