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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.006 (45.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-7940: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.