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CVE-2018-7977

Estado: ModificadaAlta (7.5)—

There is an information leakage vulnerability on several Huawei products. Due to insufficient communication protection for specific services, a remote, unauthorized attacker can exploit this vulnerability to connect to specific services to obtain additional information. Successful exploitation of this vulnerability can lead to information leakage.

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)

Huawei — Fusionsphere Openstack

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-7977",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/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": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei Technologies Co., Ltd.",
          "product": "FusionSphere OpenStack",
          "versions": [
            {
              "status": "affected",
              "version": "V100R006C00"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-11-27T22:29:00.477",
  "references": [
    {
      "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181114-01-fusionsphere-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181114-01-fusionsphere-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is an information leakage vulnerability on several Huawei products. Due to insufficient communication protection for specific services, a remote, unauthorized attacker can exploit this vulnerability to connect to specific services to obtain additional information. Successful exploitation of this vulnerability can lead to information leakage."
    },
    {
      "lang": "es",
      "value": "Hay una vulnerabilidad de filtrado de información en algunos productos Huawei. Debido a una protección de comunicaciones insuficiente para servicios específicos, un atacante remoto no autorizado puede explotar esta vulnerabilidad para conectarse a servicios específicos para obtener información adicional. Su explotación con éxito puede conducir a una fuga de información."
    }
  ],
  "lastModified": "2026-06-17T02:04:01.553",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:huawei:fusionsphere_openstack:100r006c00:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9F376D7B-AA0C-468B-827A-929527A32860"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@huawei.com"
}