ZDI-CAN-9905: Advantech WebAccess/SCADA ViewSrv IOCTL 0x00002711 Command Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of IOCTL 0x00002711 in ViewSrv.dll. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of Administrator.

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• agent/references
• agent/softwarecombine
• collector/zdi-advisory
• source/ZDI
• alias/ZDI-20-595
• alias/ZDI-CAN-9905
• alias/CVE-2020-12006
• agent/software-canonical-lookup
• agent/severity
• agent/title
• agent/type
• agent/tags
• agent/description
• agent/event
• vendor/advantech
• canonical/advantech webaccess/scada