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CVE-2021-24038

Estado: ModificadaAlta (7.8)—

Due to a bug with management of handles in OVRServiceLauncher.exe, an attacker could expose a privileged process handle to an unprivileged process, leading to local privilege escalation. This issue affects Oculus Desktop versions after 1.39 and prior to 31.1.0.67.507.

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)

Oculus — Desktop

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24038",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "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-assign@fb.com",
      "affectedData": [
        {
          "vendor": "Facebook",
          "product": "Oculus Desktop",
          "versions": [
            {
              "status": "unaffected",
              "version": "31.1.0.67.507",
              "lessThan": "unspecified",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "31.1.0.67.507",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "1.39"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-19T16:15:12.137",
  "references": [
    {
      "url": "https://www.facebook.com/security/advisories/cve-2021-24038",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve-assign@fb.com"
    },
    {
      "url": "https://www.facebook.com/security/advisories/cve-2021-24038",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-assign@fb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Due to a bug with management of handles in OVRServiceLauncher.exe, an attacker could expose a privileged process handle to an unprivileged process, leading to local privilege escalation. This issue affects Oculus Desktop versions after 1.39 and prior to 31.1.0.67.507."
    },
    {
      "lang": "es",
      "value": "Debido a un bug en la administración de los manejadores en el archivo OVRServiceLauncher.exe, un atacante podría exponer un manejador de proceso privilegiado a un proceso no privilegiado, conllevando a una escalada de privilegios local. Este problema afecta a Oculus Desktop versiones posteriores a 1.39 y anteriores a 31.1.0.67.507."
    }
  ],
  "lastModified": "2026-06-17T03:39:12.183",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oculus:desktop:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "21DAA3E2-B563-4E59-82ED-E2A91ABFCE44",
              "versionEndExcluding": "31.1.0.67.507",
              "versionStartIncluding": "1.39"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve-assign@fb.com"
}