ZDI-20-595: 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Advantech WebAccess/SCADA |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-595?
The severity of ZDI-20-595 is high due to the potential for remote code execution without authentication.
How do I fix ZDI-20-595?
To fix ZDI-20-595, update Advantech WebAccess/SCADA to the latest version provided by the vendor.
What systems are affected by ZDI-20-595?
ZDI-20-595 affects installations of Advantech WebAccess/SCADA software.
Can ZDI-20-595 be exploited remotely?
Yes, ZDI-20-595 can be exploited remotely because authentication is not required.
What type of vulnerability is ZDI-20-595?
ZDI-20-595 is a remote code execution vulnerability resulting from a flaw in the ViewSrv.dll implementation.
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