CVE-2020-16207: Advantech WebAccess/HMI Designer PM3 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the heap, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/HMI Designer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PM3 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-16207.
What is the severity of CVE-2020-16207?
The severity of CVE-2020-16207 is high with a severity value of 7.8.
Which software is affected by CVE-2020-16207?
Advantech WebAccess/HMI Designer versions up to 2.1.9.31 are affected by CVE-2020-16207.
How does the vulnerability CVE-2020-16207 allow remote code execution?
CVE-2020-16207 allows remote attackers to execute arbitrary code by exploiting a heap-based buffer overflow through user interaction, such as visiting a malicious page or opening a malicious file.
Where can I find more information about CVE-2020-16207?
You can find more information about CVE-2020-16207 at the following references: [Reference 1](https://us-cert.cisa.gov/ics/advisories/icsa-20-219-02), [Reference 2](https://www.zerodayinitiative.com/advisories/ZDI-20-955/), [Reference 3](https://www.zerodayinitiative.com/advisories/ZDI-20-951/).