CVE-2020-16215: advantech webaccess\/hmi_designer Stack-based Buffer Overflow
Vulnerability summary
CVE-2020-16215 is a high (CVSS 9.3) Stack-based Buffer Overflow vulnerability in advantech webaccess\/hmi_designer. EPSS estimates a 3.98% chance of exploitation in the next 30 days, higher than 90.4% of scored vulnerabilities.
Timeline
- 06-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Processing specially crafted project files lacking proper validation of user supplied data may cause a stack-based buffer overflow, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.98%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.98% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Advantech1 product
- webaccess\/hmi_designer≤ 2.1.9.31
1 vendor · 1 product
References
2 links
us-cert.cisa.gov/ics/advisories/icsa-20-219-02X Refsource MISCThird Party AdvisoryUS Government Resource