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CVE-2021-27656

Estado: ModificadaAlta (7.5)—

A vulnerability in exacqVision Web Service 20.12.2.0 and prior could allow an unauthenticated attacker to view system-level information about the exacqVision Web Service and the operating 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)

Johnsoncontrols — Exacqvision WEB Service

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-27656",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "productsecurity@jci.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "productsecurity@jci.com",
      "affectedData": [
        {
          "vendor": "Johnson Controls",
          "product": "exacqVision Web Service version 20.12.2.0 and prior",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "20.12.2.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-18T18:15:13.827",
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-077-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "productsecurity@jci.com"
    },
    {
      "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "productsecurity@jci.com"
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-077-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in exacqVision Web Service 20.12.2.0 and prior could allow an unauthenticated attacker to view system-level information about the exacqVision Web Service and the operating system."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en el servicio web exacqVision versiones 20.12.2.0 y anteriores, podría permitir a un atacante no autenticado visualizar información a nivel del sistema sobre el servicio web exacqVision y el sistema operativo"
    }
  ],
  "lastModified": "2026-06-17T03:45:18.333",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:johnsoncontrols:exacqvision_web_service:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1D2AFD5F-FB50-44AF-99DA-3C1E1260C3F5",
              "versionEndIncluding": "20.12.2.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productsecurity@jci.com"
}