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CVE-2021-37194

Estado: ModificadaAlta (7.5)—

A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. This could allow an attacker to store malicious files.

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)

Siemens — Comos

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-37194",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "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
      }
    ]
  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "COMOS V10.2",
          "versions": [
            {
              "status": "affected",
              "version": "All versions only if web components are used"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "COMOS V10.3",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V10.3.3.3 only if web components are used"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "COMOS V10.4",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V10.4.1 only if web components are used"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-02-09T16:15:12.987",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. This could allow an attacker to store malicious files."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en COMOS V10.2 (Todas las versiones sólo si se utilizan componentes web), COMOS V10.3 (Todas las versiones anteriores a V10.3.3.3 sólo si se utilizan componentes web), COMOS V10.4 (Todas las versiones anteriores a V10.4.1 sólo si se utilizan componentes web). El componente web de COMOS permite subir y almacenar archivos arbitrarios en el servidor web. Esto podría permitir a un atacante almacenar archivos maliciosos"
    }
  ],
  "lastModified": "2026-06-17T04:00:14.480",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F4E2BA1A-7CCB-4785-82A3-27E21B83B0AB",
              "versionEndExcluding": "10.3.3.3",
              "versionStartIncluding": "10.3"
            },
            {
              "criteria": "cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D5DC557A-488F-46BB-882F-8A9F871C02E0",
              "versionEndExcluding": "10.4.1",
              "versionStartIncluding": "10.4"
            },
            {
              "criteria": "cpe:2.3:a:siemens:comos:10.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B6E7D6BA-4F05-484A-9ABB-5D109B9FF235"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}