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CVE-2020-29494

Estado: ModificadaAlta (8.7)—

Dell EMC Avamar Server, versions 19.1, 19.2, 19.3, contain a Path Traversal Vulnerability in PDM. A remote user could potentially exploit this vulnerability, to gain unauthorized write access to the arbitrary files stored on the server filesystem, causing deletion of arbitrary 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 (2)

Dell — EMC Avamar ServerDell — EMC Integrated Data Protection Appliance

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-29494",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 2.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "Avamar",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "HF 19.1, 19.2, 19.3",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-01-14T21:15:13.507",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000181806/dsa-2020-272-dell-emc-avamar-server-security-update-for-multiple-vulnerabilities",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000181806/dsa-2020-272-dell-emc-avamar-server-security-update-for-multiple-vulnerabilities",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell EMC Avamar Server, versions 19.1, 19.2, 19.3, contain a Path Traversal Vulnerability in PDM. A remote user could potentially exploit this vulnerability, to gain unauthorized write access to the arbitrary files stored on the server filesystem, causing deletion of arbitrary files."
    },
    {
      "lang": "es",
      "value": "Dell EMC Avamar Server, versiones 19.1, 19.2, 19.3, contiene una vulnerabilidad de salto de ruta en PDM. Un usuario remoto podría aprovechar esta vulnerabilidad para conseguir acceso de escritura no autorizado a los archivos arbitrarios almacenados en el sistema de archivos del servidor, causando la eliminación de archivos arbitrarios"
    }
  ],
  "lastModified": "2026-06-17T03:11:21.543",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dell:emc_avamar_server:19.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D055384E-1362-43FC-BD4C-9FAED912FE1F"
            },
            {
              "criteria": "cpe:2.3:a:dell:emc_avamar_server:19.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AB61C3E2-E97A-48FA-BECE-3593B77C1386"
            },
            {
              "criteria": "cpe:2.3:a:dell:emc_avamar_server:19.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C7FEBC8A-A479-4684-A870-19E5046EA3B0"
            },
            {
              "criteria": "cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DAE59022-84BF-48EF-8A9B-0F9A5C68B529"
            },
            {
              "criteria": "cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F5D783F9-E4AD-41A8-B1F9-D52333B00D62"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}