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CVE-2026-9853

Quick assessment

Affected
Hitachi Energy MicroSCADA SYS600
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SYS600 中存在一个漏洞：任何已对托管该应用程序的服务器操作系统进行身份验证的用户，在未通过 SYS600 系统自身身份验证的情况下，即可读取和修改应用程序对象。 只有 SYS600 系统的用户才应被允许查看和修改应用程序对象。

CVSS 8.5 · High EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hitachi Energy MicroSCADA SYS600 10.0≤ 10.8 affected
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I. Basic Information for CVE-2026-9853

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证算法的不正确实现
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hitachi Energy MicroSCADA SYS600 10.0 ~ 10.8 -

II. Public POCs for CVE-2026-9853

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III. Intelligence Information for CVE-2026-9853

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Vendor Advisories for CVE-2026-9853 (1)

Same Patch Batch · Hitachi Energy · 2026-09-03 · 4 CVEs total

CVE-2026-9854 8.5 HIGH SYS600 RBAC权限提升至Windows管理员漏洞
CVE-2026-17539 5.9 MEDIUM RTU500 IEC104空指针解引用导致拒绝服务
CVE-2026-9852 4.6 MEDIUM SYS600 CSV注入漏洞

IV. Related Vulnerabilities

Same product: MicroSCADA SYS600
Same vendor: Hitachi Energy
Same weakness: CWE-303

V. Comments for CVE-2026-9853

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