High severity7.8NVD Advisory· Published Jun 24, 2021· Updated Jun 17, 2026
CVE-2021-33000
CVE-2021-33000
Description
Parsing a maliciously crafted project file may cause a heap-based buffer overflow, which may allow an attacker to perform arbitrary code execution. User interaction is required on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- cpe:2.3:a:advantech:webaccess\/hmi_designer:*:*:*:*:*:*:*:*Range: <=2.1.9.95
- Range: <=2.1.9.95
Patches
Vulnerability mechanics
References
1- us-cert.cisa.gov/ics/advisories/icsa-21-173-01nvdThird Party AdvisoryUS Government Resource
News mentions
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