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CVE-2022-27502

Estado: ModificadaAlta (7.8)—

RealVNC VNC Server 6.9.0 through 5.1.0 for Windows allows local privilege escalation because an installer repair operation executes %TEMP% files as SYSTEM.

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)

Realvnc — VNC Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-27502",
  "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": "2022-06-10T13:15:07.893",
  "references": [
    {
      "url": "https://help.realvnc.com/hc/en-us/articles/360002478311-Are-there-any-known-security-vulnerabilities-#cve-2008-4770-moderate-%E2%80%94-only-affects-vnc-viewer--0-1",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://realvnc.com",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://help.realvnc.com/hc/en-us/articles/360002478311-Are-there-any-known-security-vulnerabilities-#cve-2008-4770-moderate-%E2%80%94-only-affects-vnc-viewer--0-1",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://realvnc.com",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "RealVNC VNC Server 6.9.0 through 5.1.0 for Windows allows local privilege escalation because an installer repair operation executes %TEMP% files as SYSTEM."
    },
    {
      "lang": "es",
      "value": "RealVNC VNC Server versiones 6.9.0 hasta 5.1.0 para Windows, permite una escalada de privilegios local porque una operación de reparación del instalador ejecuta archivos %TEMP% como SYSTEM"
    }
  ],
  "lastModified": "2026-06-17T04:37:08.247",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "32F51434-D3B2-4EC8-980C-7D484AC4F7A5",
              "versionEndExcluding": "6.9.1",
              "versionStartIncluding": "5.1.0"
            }
          ],
          "operator": "OR"
        },
        {
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          ],
          "operator": "OR"
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      "operator": "AND"
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  "sourceIdentifier": "cve@mitre.org"
}