CVE•Published 2026-09-03•Modified 2026-09-09•0 articles on news•6 live references•NVD data

CVE-2026-9853Hitachienergy · Microscada_x_sys600

Vulnerability data via NVD (ingested)

CVSS v3.1

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 98% of all CVEs

Weaknesses (CWE)

CWE-303Incorrect Implementation of Authentication Algorithm

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.

Timeline

Published 2026-09-03

Modified 2026-09-09

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-9853

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Hitachienergy Microscada X Sys600"

All exposed Hitachienergy Microscada X Sys600 instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Microscada X Sys600"

HTTP body or banner mentions "Microscada X Sys600" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-9853