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CVE-2021-22000

Estado: ModificadaAlta (7.8)—

VMware Thinapp versión 5.x anterior a 5.2.10 contiene una vulnerabilidad de secuestro de DLL debido a la carga no segura de DLL. Un actor malicioso con privilegios no administrativos puede explotar esta vulnerabilidad para elevar los privilegios a nivel de administrador en el sistema operativo Windows que tenga instalado VMware ThinApp

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)

Vmware — Thinapp

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-22000",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "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:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@vmware.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Vmware Thinapp",
          "versions": [
            {
              "status": "affected",
              "version": "VMware Thinapp 5.x prior to 5.2.10"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-13T19:15:09.403",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/163521/VMware-ThinApp-DLL-Hijacking.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@vmware.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Jul/35",
      "tags": [
        "Exploit",
        "Mailing List",
        "Technical Description",
        "Third Party Advisory"
      ],
      "source": "security@vmware.com"
    },
    {
      "url": "https://www.vmware.com/security/advisories/VMSA-2021-0015.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@vmware.com"
    },
    {
      "url": "http://packetstormsecurity.com/files/163521/VMware-ThinApp-DLL-Hijacking.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Jul/35",
      "tags": [
        "Exploit",
        "Mailing List",
        "Technical Description",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.vmware.com/security/advisories/VMSA-2021-0015.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "VMware Thinapp version 5.x prior to 5.2.10 contain a DLL hijacking vulnerability due to insecure loading of DLLs. A malicious actor with non-administrative privileges may exploit this vulnerability to elevate privileges to administrator level on the Windows operating system having VMware ThinApp installed on it."
    },
    {
      "lang": "es",
      "value": "VMware Thinapp versión 5.x anterior a 5.2.10 contiene una vulnerabilidad de secuestro de DLL debido a la carga no segura de DLL. Un actor malicioso con privilegios no administrativos puede explotar esta vulnerabilidad para elevar los privilegios a nivel de administrador en el sistema operativo Windows que tenga instalado VMware ThinApp"
    }
  ],
  "lastModified": "2026-06-17T03:36:31.920",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:vmware:thinapp:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0ADA8BCC-50BB-4EF7-BB1C-D5CDCA58DF18",
              "versionEndExcluding": "5.2.10",
              "versionStartIncluding": "5.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@vmware.com"
}