CVE-2021-43555

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.

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-23 CWE-22

Affected software

Vendor	Product	Versions
mySCADA	myDESIGNER	>= All, <= 8.20.0

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-313-04Patch, Third Party Advisory, US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-313-04Patch, Third Party Advisory, US Government Resource

Timeline

Published: Nov 19, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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