7.5
CWE
129 1285
Advisory Published
Updated

CVE-2020-25241: Out-of-bounds Read

First published: Mon Mar 15 2021(Updated: )

A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). The underlying TCP stack of the affected products does not correctly validate the sequence number for incoming TCP RST packages. An attacker could exploit this to terminate arbitrary TCP sessions.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens SIMATIC MV440 SR<7.0.6
Siemens SIMATIC MV440 SR Firmware
Siemens SIMATIC MV440 HR<7.0.6
Siemens SIMATIC MV440 HR Firmware
Siemens SIMATIC MV440 UR<7.0.6
Siemens SIMATIC MV440 UR
Siemens SIMATIC MV420 SR-B Body Firmware<7.0.6
Siemens SIMATIC MV420 SR-B Body Firmware
Siemens Simatic MV420 Firmware<7.0.6
Siemens SIMATIC MV420 SR-P Firmware
Siemens Simatic MV420 Firmware<7.0.6
Siemens SIMATIC MV420 SR-B Body Firmware
Siemens Simatic MV420 Firmware<7.0.6
Siemens SIMATIC MV420 SR-P

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