CVE-2026-5397

{
  "id": "CVE-2026-5397",
  "sourceIdentifier": "bba440f9-ef23-4224-aa62-7ac0935d18d1",
  "published": "2026-04-15T05:16:45.740",
  "lastModified": "2026-10-25T23:10:00.167",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "It has been identified that a vulnerability (CWE-427) exists in the UPS (Uninterruptible Power Supply) management application, whereby improper permissions on the installation directory allow a malicious actor to place a DLL that is then executed with administrator privileges.\n\nIf a malicious DLL is placed in the installation directory of this product, there is a possibility that the malicious DLL may be executed by exploiting the product’s behavior of loading missing DLLs from the same directory as the executable during service startup."
    },
    {
      "lang": "es",
      "value": "Se ha identificado que existe una vulnerabilidad (CWE-427) en la aplicación de gestión de SAI (Sistema de Alimentación Ininterrumpida), por la cual permisos inadecuados en el directorio de instalación permiten a un actor malicioso colocar una DLL que luego se ejecuta con privilegios de administrador.\n\nSi se coloca una DLL maliciosa en el directorio de instalación de este producto, existe la posibilidad de que la DLL maliciosa pueda ser ejecutada al explotar el comportamiento del producto de cargar DLLs faltantes desde el mismo directorio que el ejecutable durante el inicio del servicio."
    }
  ],
  "affected": [
    {
      "source": "bba440f9-ef23-4224-aa62-7ac0935d18d1",
      "affectedData": [
        {
          "vendor": "OMRON SOCIAL SOLUTIONS CO., Ltd.",
          "product": "PowerAttendant Standard Edition",
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "versions": [
            {
              "version": "2.1.2 or lower",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "bba440f9-ef23-4224-aa62-7ac0935d18d1",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.1,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-15T13:46:38.260570Z",
          "id": "CVE-2026-5397",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "bba440f9-ef23-4224-aa62-7ac0935d18d1",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.omron.com/global/en/inquiry/data/OMSR-2026-001_en.pdf",
      "source": "bba440f9-ef23-4224-aa62-7ac0935d18d1"
    },
    {
      "url": "https://www.omron.com/jp/ja/inquiry/data/OMSR-2026-001_ja.pdf",
      "source": "bba440f9-ef23-4224-aa62-7ac0935d18d1"
    }
  ]
}