CVE-2026-1772 (GCVE-0-2026-1772)

Vulnerability from cvelistv5 – Published: 2026-02-24 13:03 – Updated: 2026-02-24 13:38
VLAI?
Summary
RTU500 web interface: An unprivileged user can read user management information. The information cannot be accessed via the RTU500 web user interface but requires further tools like browser development utilities to access them without required privileges.
Severity ?
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-280 - Improper Handling of Insufficient Permissions or Privileges
Assigner
References
Impacted products
Vendor Product Version
Hitachi Energy RTU500 series CMU firmware Affected: 12.7.1 , ≤ 12.7.7 (custom)
Affected: 13.5.1 , ≤ 13.5.4 (custom)
Affected: 13.6.1 , ≤ 13.6.2 (custom)
Affected: 13.7.1 , ≤ 13.7.7 (custom)
Affected: 13.8.1 (custom)
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  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "RTU500 series CMU firmware",
          "vendor": "Hitachi Energy",
          "versions": [
            {
              "lessThanOrEqual": "12.7.7",
              "status": "affected",
              "version": "12.7.1",
              "versionType": "custom"
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              "status": "affected",
              "version": "13.5.1",
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              "status": "affected",
              "version": "13.6.1",
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            {
              "lessThanOrEqual": "13.7.7",
              "status": "affected",
              "version": "13.7.1",
              "versionType": "custom"
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              "version": "13.8.1",
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          "supportingMedia": [
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              "type": "text/html",
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          ],
          "value": "RTU500 web interface: An unprivileged user can read user management information. The information cannot be accessed via the RTU500 web user interface but requires further tools like browser development utilities to access them without required privileges."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-503",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-503 WebView Exposure"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "format": "CVSS",
          "scenarios": [
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              "value": "GENERAL"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-280",
              "description": "CWE-280 Improper Handling of Insufficient Permissions or Privileges",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-24T13:38:30.521Z",
        "orgId": "e383dce4-0c27-4495-91c4-0db157728d17",
        "shortName": "Hitachi Energy"
      },
      "references": [
        {
          "url": "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
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  "cveMetadata": {
    "assignerOrgId": "e383dce4-0c27-4495-91c4-0db157728d17",
    "assignerShortName": "Hitachi Energy",
    "cveId": "CVE-2026-1772",
    "datePublished": "2026-02-24T13:03:23.592Z",
    "dateReserved": "2026-02-02T16:28:53.742Z",
    "dateUpdated": "2026-02-24T13:38:30.521Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.