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CVE-2020-10048

Estado: ModificadaMedia (5.5)—

A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication.

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 (2)

Siemens — Simatic PCS 7Siemens — Simatic Wincc

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-10048",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "SIMATIC PCS 7",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC WinCC",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V7.5 SP2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-09T17:15:13.360",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SIMATIC PCS 7 (todas las versiones), SIMATIC WinCC (todas las versiones anteriores a V7.5 SP2).&#xa0;Debido a un proceso de verificación de contraseña no seguro, un atacante podría omitir la protección con contraseña establecida en los archivos protegidos, obteniendo así acceso al contenido protegido, evitando la autenticación"
    }
  ],
  "lastModified": "2026-06-17T02:47:15.240",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "13E3BDF0-B691-4A97-A74A-A65EC910480E"
            },
            {
              "criteria": "cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C32103C4-3706-47F0-B626-FA9EFB0643D1",
              "versionEndExcluding": "7.5"
            },
            {
              "criteria": "cpe:2.3:a:siemens:simatic_wincc:7.5:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "81F9C13C-065C-4E40-BB46-687D791348A9"
            },
            {
              "criteria": "cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5CF06E69-0A23-418D-B0EC-574DACBB4DD9"
            },
            {
              "criteria": "cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9164EAC1-C416-4F1F-A910-CE84A167A6D1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}