CVE-2021-33002

7.8 highEPSS 1.0%

High (7.8) in advantech webaccess\/hmi designer. EPSS 1.0% chance of exploitation in the next 30 days.

Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User interaction is require on the WebAccess HMI Designer (versions 2.1.9.95 and prior).

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2021-06-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

advantech:webaccess\/hmi_designer

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-173-01
https://us-cert.cisa.gov/ics/advisories/icsa-21-173-01

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