CVE-2022-3683Network attack vector

Sensitive data disclosure via improper API authorization

Published Mar 28, 2023 · Updated Feb 18, 2025

Improper authorization in Hitachi Energy MicroSCADA X SDM600 before 1.2 FP3 HF4 allows remote attackers to read sensitive stored data. The API web services authorization validation accepts data-store requests without enforcing the intended access restrictions. No user interaction is required; network access exposes protected data, while the affected endpoint and request format remain undisclosed.

CVSS severity7.7
High
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Hitachi Energy MicroSCADA X SDM600 before 1.2 FP3 HF4 allows remote attackers to read sensitive stored data. The API web services authorization validation accepts data-store requests without enforcing the intended access restrictions. No user interaction is required; network access exposes protected data, while the affected endpoint and request format remain undisclosed.

The record

CVE
CVE-2022-3683
Published
Mar 28, 2023
Updated
Feb 18, 2025
Vendor
Hitachi Energy
Product
MicroSCADA X SDM600
Classifications
CWE-285, T1213
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Mar 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 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=SDM600 1.0 <=SDM600 1.0.*
  2. Affected versionversion=SDM600 1.1 <=SDM600 1.1.*
  3. Affected versionversion=SDM600 1.2 <=SDM600 1.2.*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Hitachi Energy · MicroSCADA X SDM600version=SDM600 1.0 <=SDM600 1.0.*; version=SDM600 1.1 <=SDM600 1.1.*; version=SDM600 1.2 <=SDM600 1.2.*

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.7Hitachi EnergyCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization
T1213Data from Information Repositories

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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