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TI-2021-19445 Aliases CVE-2021-43555GHSA-hq87-gpw4-cg65

Path traversal in mySCADA myDESIGNER

Priority MEDIUM 61CWE-23Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.38241 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
mySCADAmyDESIGNERAll – 8.20.0—No fix listedCNA
  • myDESIGNER VendormySCADA Affected All – 8.20.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:myscada:mydesigner:*:*:*:*:*:*:*:*up to 8.20.0VulnerablemySCADA
  • cpe:2.3:a:myscada:mydesigner:*:*:*:*:*:*:*:* Versions up to 8.20.0 Vulnerable ·mySCADA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43555
  2. 2026-10-03 Alias added: GHSA-hq87-gpw4-cg65

References

Patch 1

  • TI-2021-18310 mySCADA myDESIGNER 8.20.0 and below allows Directory Traversal attacks when importing… CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences