CVE-2024-10037Network attack vector

Temporary service interruption via WebSocket message sequence

Published Mar 25, 2025 · Updated Mar 31, 2025

Denial of service in affected Hitachi Energy RTU500 CMU Firmware allows remote authenticated users to restart the CMU via WebSocket messages. The web server dereferences a null pointer while processing a specially crafted message sequence on an established WebSocket connection. Exploitation requires valid credentials and enabled test mode; successful attacks cause only a temporary service interruption because the CMU automatically recovers.

CVSS severity5.9
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in affected Hitachi Energy RTU500 CMU Firmware allows remote authenticated users to restart the CMU via WebSocket messages. The web server dereferences a null pointer while processing a specially crafted message sequence on an established WebSocket connection. Exploitation requires valid credentials and enabled test mode; successful attacks cause only a temporary service interruption because the CMU automatically recovers.

The record

CVE
CVE-2024-10037
Published
Mar 25, 2025
Updated
Mar 31, 2025
Vendor
Hitachi Energy
Product
RTU500 Series CMU Firmware
Classifications
CWE-476, T0814
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 31, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.0.1 <=12.0.14
  2. Affected versionversion=12.2.1 <=12.2.12
  3. Affected versionversion=12.4.1 <=12.4.11
  4. Affected versionversion=12.6.1 <=12.6.10
  5. Affected versionversion=12.7.1 <=12.7.7
  6. Affected versionversion=13.2.1 <=13.2.7
  7. Affected versionversion=13.4.1 <=13.4.4
  8. Affected versionversion=13.5.1 <=13.5.3
  9. Affected versionversion=13.6.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Hitachi Energy · RTU500 Series CMU Firmwareversion=12.0.1 <=12.0.14; version=12.2.1 <=12.2.12; version=12.4.1 <=12.4.11; version=12.6.1 <=12.6.10; version=12.7.1 <=12.7.7; version=13.2.1 <=13.2.7; version=13.4.1 <=13.4.4; version=13.5.1 <=13.5.3; version=13.6.1

Published CVSS scores

5.9Hitachi EnergyCVSS: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
4.4Hitachi EnergyCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T0814Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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