What’s Vulnerable › Vulnerabilities

CVE-2021-41578

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 14.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-04 · updated 2026-06-17
• Weakness: CWE-22

Description

mySCADA myDESIGNER 8.20.0 and below allows Directory Traversal attacks when importing project files. If an attacker can trick a victim into importing a malicious mep file, then they gain the ability to write arbitrary files to OS locations where the user has permission. This would typically lead to code execution.

Affected products

• mySCADA myDESIGNER: through 8.20.0

References

• https://github.com/jacob-baines/vuln_disclosure/blob/main/vuln_2021_05.txt
• https://github.com/jacob-baines/vuln_disclosure/blob/main/vuln_2021_05.txt

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