CVE-2020-12022: Advantech WebAccess/SCADA DATACORE IOCTL 0x0000521e Improper Validation of Array Index Remote Code Execution Vulnerability
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. An improper validation vulnerability exists that could allow an attacker to inject specially crafted input into memory where it can be executed.
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 0x0000521e in DATACORE.exe. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this advisory?
The vulnerability ID for this advisory is CVE-2020-12022.
What is the severity of CVE-2020-12022?
The severity of CVE-2020-12022 is critical with a score of 9.8.
Which software is affected by CVE-2020-12022?
The Advantech WebAccess/SCADA software versions 8.4.4 and 9.0.0 are affected by CVE-2020-12022.
How can an attacker exploit CVE-2020-12022?
An attacker can exploit CVE-2020-12022 by executing arbitrary code on affected installations of Advantech WebAccess/SCADA without requiring authentication.
How can I fix CVE-2020-12022?
To fix CVE-2020-12022, it is recommended to apply the latest security patches or updates provided by Advantech for WebAccess/SCADA.