« Volver al listado

CVE-2021-21744

Estado: ModificadaAlta (7.5)—

ZTE MF971R product has a configuration file control vulnerability. An attacker could use this vulnerability to modify the configuration parameters of the device, causing some security functions of the device to be disabled.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-21744",
  "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:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "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:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@zte.com.cn",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "MF971R",
          "versions": [
            {
              "status": "affected",
              "version": "BD_ZTE_MF971RV1.0.0B05, BD_PLKPLMF971R1V1.0.0B06, BD_MF971R2V1.0.0B03, BD_ZTE_MF971RS2V1.0.0B03, BD_ZTE_MF971RSV1.0.0B05"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-20T16:15:08.160",
  "references": [
    {
      "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@zte.com.cn"
    },
    {
      "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764",
      "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": "ZTE MF971R product has a configuration file control vulnerability. An attacker could use this vulnerability to modify the configuration parameters of the device, causing some security functions of the device to be disabled."
    },
    {
      "lang": "es",
      "value": "El producto ZTE MF971R presenta una vulnerabilidad de control de archivos de configuración. Un atacante podría usar esta vulnerabilidad para modificar los parámetros de configuración del dispositivo, causando que algunas funciones de seguridad del dispositivo sean deshabilitadas"
    }
  ],
  "lastModified": "2026-06-17T03:36:04.693",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zte:mf971r_firmware:v1.0.0b05:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "72A4F659-C656-47D6-B38E-5BA8E73DCD30"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zte:mf971r:*:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9A7F54F4-E324-4D1E-839E-677396BAFE49"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zte:mf971r_firmware:1v1.0.0b06:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "35FA4400-636F-48E7-AF1E-9416D9E9386F"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zte:mf971r:*:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9A7F54F4-E324-4D1E-839E-677396BAFE49"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zte:mf971r_firmware:2v1.0.0b03:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "252BBFAA-0053-441A-8F20-A737EF573355"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zte:mf971r:*:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9A7F54F4-E324-4D1E-839E-677396BAFE49"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zte:mf971r_firmware:s2v1.0.0b03:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7B066F08-DDC4-4868-8FD2-620E46660B64"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zte:mf971r:*:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9A7F54F4-E324-4D1E-839E-677396BAFE49"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zte:mf971r_firmware:sv1.0.0b05:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AAA1BD70-DC47-4B81-A906-3FD76E593F75"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zte:mf971r:*:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9A7F54F4-E324-4D1E-839E-677396BAFE49"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@zte.com.cn"
}