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CVE-2021-42797

Estado: ModificadaAlta (7.5)—

Path traversal vulnerability in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior allows an unauthenticated user to steal the Windows access token of the user account configured for accessing external DB resources.

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)

Aveva — Edge

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-42797",
  "cveTags": [],
  "metrics": {
    "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:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-12-16T01:15:07.587",
  "references": [
    {
      "url": "https://www.aveva.com/en/products/edge/",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.aveva.com/en/products/edge/",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Path traversal vulnerability in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior allows an unauthenticated user to steal the Windows access token of the user account configured for accessing external DB resources."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de path traversal en las versiones R2020 y anteriores de AVEVA Edge (anteriormente InduSoft Web Studio) permite que un usuario no autenticado robe el token de acceso de Windows de la cuenta de usuario configurada para acceder a recursos de base de datos externos."
    }
  ],
  "lastModified": "2026-06-17T04:10:09.477",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:aveva:edge:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1838ED5C-E082-4087-A55D-8038A308510C",
              "versionEndExcluding": "2020"
            },
            {
              "criteria": "cpe:2.3:a:aveva:edge:2020:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AF8F7975-0BF0-446E-A33C-306D9045BE5D"
            },
            {
              "criteria": "cpe:2.3:a:aveva:edge:2020:r2:-:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F6A6358A-9F55-452A-8378-5BF05473EDFA"
            },
            {
              "criteria": "cpe:2.3:a:aveva:edge:2020:r2:sp1:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D5080C65-4773-4AF2-B385-9FD02BAD5237"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}