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CVE-2020-36154

Estado: ModificadaAlta (7.8)—

The Application Wrapper in Pearson VUE VTS Installer 2.3.1911 has Full Control permissions for Everyone in the "%SYSTEMDRIVE%\Pearson VUE" directory, which allows local users to obtain administrative privileges via a Trojan horse application.

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)

Pearson — VUE Testing System

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-36154",
  "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@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-01-04T17:15:14.163",
  "references": [
    {
      "url": "https://github.com/passtheticket/vulnerability-research/blob/main/privilege-escalation/pearsonvue-readme.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/49143",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/passtheticket/vulnerability-research/blob/main/privilege-escalation/pearsonvue-readme.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.exploit-db.com/exploits/49143",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Application Wrapper in Pearson VUE VTS Installer 2.3.1911 has Full Control permissions for Everyone in the \"%SYSTEMDRIVE%\\Pearson VUE\" directory, which allows local users to obtain administrative privileges via a Trojan horse application."
    },
    {
      "lang": "es",
      "value": "Application Wrapper en Pearson VUE VTS Installer versión 2.3.1911, presenta permisos de Control Total para todos en el directorio \"%SYSTEMDRIVE%\\Pearson VUE\", lo que permite a usuarios locales obtener privilegios administrativos por medio de una aplicación de tipo caballo de Troya."
    }
  ],
  "lastModified": "2026-06-17T03:14:51.183",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pearson:vue_testing_system:2.3.1911:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7E033C24-704F-4A9D-AC73-E05CA65AB1E6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}