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CVE-2021-30359

Estado: ModificadaAlta (7.8)—

The Harmony Browse and the SandBlast Agent for Browsers installers must have admin privileges to execute some steps during the installation. Because the MS Installer allows regular users to repair their installation, an attacker running an installer before 90.08.7405 can start the installation repair and place a specially crafted binary in the repair folder, which runs with the admin privileges.

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)

Checkpoint — Harmony BrowseCheckpoint — Sandblast Agent FOR Browsers

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30359",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "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": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@checkpoint.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Check Point Harmony Browse and SandBlast Agent for Browsers",
          "versions": [
            {
              "status": "affected",
              "version": "before 90.08.7405"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-22T14:15:08.530",
  "references": [
    {
      "url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0007/MNDT-2021-0007.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://supportcontent.checkpoint.com/solutions?id=sk175968",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0007/MNDT-2021-0007.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://supportcontent.checkpoint.com/solutions?id=sk175968",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@checkpoint.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Harmony Browse and the SandBlast Agent for Browsers installers must have admin privileges to execute some steps during the installation. Because the MS Installer allows regular users to repair their installation, an attacker running an installer before 90.08.7405 can start the installation repair and place a specially crafted binary in the repair folder, which runs with the admin privileges."
    },
    {
      "lang": "es",
      "value": "Los instaladores de Harmony Browse y SandBlast Agent for Browsers deben tener privilegios de administrador para ejecutar algunos pasos durante la instalación. Dado que el instalador de MS permite a usuarios normales reparar su instalación, un atacante que ejecute un instalador anterior a versión 90.08.7405, puede iniciar una reparación de la instalación y colocar un binario especialmente diseñado en la carpeta de reparación, que se ejecuta con los privilegios de administrador"
    }
  ],
  "lastModified": "2026-06-17T03:50:16.177",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:checkpoint:harmony_browse:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B25A14A0-83C3-4A21-9B4D-FB633EAB2142",
              "versionEndExcluding": "90.08.7405"
            },
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              "vulnerable": true,
              "matchCriteriaId": "50CFBD01-F629-48A7-A39A-121C0DC99E62",
              "versionEndExcluding": "90.08.7405"
            }
          ],
          "operator": "OR"
        },
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            }
          ],
          "operator": "OR"
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      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com"
}