What is CVE-2024-7940?

CVE-2024-7940 is a high-severity vulnerability in Hitachi Energy Microscada Sys600, classified under Missing Authentication for Critical Function. CVSS score: 8.3/10. Published 2024-08-27.

How severe is CVE-2024-7940?

High severity. CVSS v3 base score is 8.3 out of 10.

Is CVE-2024-7940 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Hitachi Energy Microscada Sys600

CVE-2024-7940

The product exposes a service that is intended for local only to all network interfaces without any authentication.

Vulnerability class: Broken Authentication

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Hitachi Energy Microscada Sys600 — versions 10.2
Hitachienergy Microscada_x_sys600

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

cybersecurity@hitachienergy.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-7940?: CVE-2024-7940 is a high-severity vulnerability in Hitachi Energy Microscada Sys600, classified under Missing Authentication for Critical Function. CVSS score: 8.3/10. Published 2024-08-27.
How severe is CVE-2024-7940?: High severity. CVSS v3 base score is 8.3 out of 10.
Is CVE-2024-7940 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.