CVE-2019-10961
In Advantech WebAccess HMI Designer Version 2.1.9.23 and prior, processing specially crafted MCR files lacking proper validation of user supplied data may cause the system to write outside the intended buffer area, allowing remote code execution.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Advantech WebAccess HMI Designer Version 2.1.9.23 and prior, processing specially crafted MCR files lacking proper validation of user supplied data may cause the system to write outside the intended buffer area, allowing remote code execution.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 4.13% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- advantech/webaccess hmi designer
- Source
- ics-cert@hq.dhs.gov
EPSS 4.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.us-cert.gov/ics/advisories/icsa-19-213-01Patch, Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-19-691/Third Party Advisory, VDB Entry
- https://www.us-cert.gov/ics/advisories/icsa-19-213-01Patch, Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-19-691/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.