What’s Vulnerable › Vulnerabilities

CVE-2021-43555: mySCADA myDESIGNER

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 38.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-19 · updated 2026-06-17
• Weakness: CWE-23

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.

Affected products

• mySCADA myDESIGNER: through 8.20.0

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-313-04
• https://us-cert.cisa.gov/ics/advisories/icsa-21-313-04

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