CVE-2021-33002

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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).

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	WebAccess HMI Designer	versions 2.1.9.95 and prior

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-173-01Third Party Advisory, US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-173-01Third Party Advisory, US Government Resource

Timeline

Published: Jun 24, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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