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.
| 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-CAN-9905?
The ZDI-CAN-9905 vulnerability is considered critical, allowing remote code execution without authentication.
How do I fix ZDI-CAN-9905?
To remediate ZDI-CAN-9905, update to the latest version of Advantech WebAccess/SCADA as provided by the vendor.
What does ZDI-CAN-9905 allow an attacker to do?
ZDI-CAN-9905 allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA.
Is authentication required to exploit ZDI-CAN-9905?
No, authentication is not required to exploit the ZDI-CAN-9905 vulnerability.
Which software is affected by ZDI-CAN-9905?
The affected software for ZDI-CAN-9905 is Advantech WebAccess/SCADA.
- 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/description
- agent/event
- agent/tags
- agent/source
- vendor/advantech
- canonical/advantech webaccess/scada