CVE-2026-9853

A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself. Only the SYS600 system users should be permitted to view and modify application objects.

Score

CVSS 4.0 8.5 High

Status

Analyzed - cybersecurity@hitachienergy.com

Published

2026-09-03

Last modified

2026-09-03

Weaknesses

CWE-303

Affected products

• Microscada Sys600 (Hitachi Energy)
• Microscada X Sys600 (Hitachienergy)

References

• https://publisher.hitachienergy.com/preview?DocumentID=8DBD000249&LanguageCode=en&DocumentPartId=&Action=Launch