ZDI-20-605: Advantech WebAccess/SCADA DrawSrv 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 DrawSrv.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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• collector/zdi-advisory
• source/ZDI
• alias/ZDI-20-605
• alias/ZDI-CAN-9901
• alias/CVE-2020-12006
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• vendor/advantech
• canonical/advantech webaccess/scada