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Fencer Vulns
medium 4.4

CVE-2024-10037 json

A vulnerability exists in the RTU500 web server component that can cause a denial of service to the RTU500 CMU application if a specially c…

published 2025-03-25 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-54339

cvss
4.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

A vulnerability exists in the RTU500 web server component that can cause a denial of service to the RTU500 CMU application if a specially crafted message sequence is executed on a WebSocket connection. An attacker must be properly authenticated and the test mode function of RTU500 must be enabled to exploit this vulnerability.

The affected CMU will automatically recover itself if an attacker successfully exploits this vulnerability.

Patch / fix

  • Hitachi Energy RTU500 12.7.8, 13.7.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-093-01 updated cvss 4.4

Hitachi Energy RTU500 Series (Update B)

  • Hitachi Energy CMU Firmware >= 12.0.1, <= 12.0.14, >= 12.2.1, <= 12.2.12, >= 12.4.1, <= 12.4.11, >= 12.6.1, <= 12.6.10
    affected: vendor fix
  • Hitachi Energy CMU Firmware 12.7.8, 13.7.1
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 5.9 CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/R:A
CNA 3.1 4.4 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CNA 4.0 5.9 CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:A/V:X/RE:X/U:X

Affected products

  • Hitachi Energy RTU500

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.