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CVE-2021-29095

Estado: ModificadaMedia (6.8)—

Multiple uninitialized pointer vulnerabilities when parsing a specially crafted file in Esri ArcGIS Server 10.8.1 (and earlier) allows an authenticated attacker with specialized permissions to achieve arbitrary code execution in the context of the service account.

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)

Esri — Arcgis Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-29095",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@esri.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.5
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@esri.com",
      "affectedData": [
        {
          "vendor": "Esri",
          "product": "ArcGIS Server",
          "versions": [
            {
              "status": "affected",
              "version": "10.8.1",
              "lessThan": "10.9",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64"
          ]
        }
      ]
    }
  ],
  "published": "2021-03-25T21:15:13.357",
  "references": [
    {
      "url": "https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/security-advisory-server-image",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@esri.com"
    },
    {
      "url": "https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/security-advisory-server-image",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@esri.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-824"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-824"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple uninitialized pointer vulnerabilities when parsing a specially crafted file in Esri ArcGIS Server 10.8.1 (and earlier) allows an authenticated attacker with specialized permissions to achieve arbitrary code execution in the context of the service account."
    },
    {
      "lang": "es",
      "value": "Múltiples vulnerabilidades de puntero no inicializado cuando se analiza un archivo especialmente diseñado en Esri ArcGIS Server versiones 10.8.1 (y anteriores), permiten a un atacante autenticado con permisos especializados lograr una ejecución de código arbitrario en el contexto de la cuenta de servicio"
    }
  ],
  "lastModified": "2026-06-17T03:47:17.320",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3ABA4B71-7460-4EA5-B432-C75B4090D1F7",
              "versionEndIncluding": "10.8.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@esri.com"
}