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CVE-2023-22339

Estado: ModificadaAlta (7.5)—

Improper access control vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to bypass access restriction and obtain the server certificate including the private key of the product.

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)

Mostrar
{
  "id": "CVE-2023-22339",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
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        "ssvcData": {
          "id": "CVE-2023-22339",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-03T20:03:37.484856Z"
        }
      }
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
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        "cvssData": {
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
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      }
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "Contec Co., Ltd.",
          "product": "CONPROSYS HMI System (CHS)",
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  "published": "2023-01-20T03:15:10.770",
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      "source": "vultures@jpcert.or.jp"
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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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      "url": "https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdf",
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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": "NVD-CWE-Other"
        }
      ]
    },
    {
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to bypass access restriction and obtain the server certificate including the private key of the product."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de control de acceso inadecuado en CONPROSYS HMI System (CHS) Ver.3.4.5 y anteriores permite que un atacante remoto no autenticado evite la restricción de acceso y obtenga el certificado del servidor, incluida la clave privada del producto."
    }
  ],
  "lastModified": "2026-06-17T05:35:06.573",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "925AAC92-DED4-41ED-A11E-91AAB582A8AE",
              "versionEndIncluding": "3.4.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}