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CVE-2023-22331

Estado: ModificadaAlta (7.5)—

Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Contec — Conprosys HMI System

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-22331",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2023-22331",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-03T17:57:41.016834Z"
        }
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "Contec Co., Ltd.",
          "product": "CONPROSYS HMI System (CHS)",
          "versions": [
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              "version": "Ver.3.4.5 and earlier"
            }
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  "published": "2023-01-20T03:15:09.813",
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    },
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      "tags": [
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        "US Government Resource"
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      "source": "vultures@jpcert.or.jp"
    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    },
    {
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information."
    },
    {
      "lang": "es",
      "value": "El uso de la vulnerabilidad de credenciales predeterminadas en CONPROSYS HMI System (CHS) Ver.3.4.5 y versiones anteriores permite que un atacante remoto no autenticado altere la información de las credenciales del usuario."
    }
  ],
  "lastModified": "2026-06-17T05:35:05.340",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "3.4.5"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}