CVE-2020-12006: Advantech WebAccess/SCADA DrawSrv IOCTL 0x00002711 Command Injection Remote Code Execution Vulnerability

Published May 8, 2020
·
Updated

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.

Other sources

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.

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.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of IOCTL 0x0000791e in DATACORE.exe. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of Administrator.

Affected Software

3 affected components
Advantech WebAccess/SCADA
Advantech WebAccess<=8.4.4
Advantech WebAccess=9.0.0

Event History

May 8, 2020
CVE Published
via MITRE·11:41 AM
Data Sourced
via MITRE·11:41 AM
DescriptionWeakness
Aug 4, 2024
Advisory Published
via ZDI·11:55 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID of this security flaw?

The vulnerability ID of this security flaw is CVE-2020-12006.

2

What is the severity level of CVE-2020-12006?

CVE-2020-12006 has a severity level of 9.8 (Critical).

3

What is the affected software in this vulnerability?

The affected software is Advantech WebAccess/SCADA versions 8.4.4 and 9.0.0.

4

What is the specific flaw in Advantech WebAccess/SCADA?

The specific flaw is in the implementation of IOCTL 0x00002711 in ViewSrv.dll.

5

Is authentication required to exploit CVE-2020-12006?

No, authentication is not required to exploit CVE-2020-12006.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203
CVE-2020-12006 - Advantech WebAccess/SCADA DrawSrv IOCTL 0x00002711 Command Injection Remote Code Execution Vulnerability - SecAlerts