« Volver al listado

CVE-2021-21737

Estado: ModificadaAlta (7.5)—

A smart STB product of ZTE is impacted by a permission and access control vulnerability. Due to insufficient protection of system application, attackers could use this vulnerability to tamper with the system desktop and affect system customization functions. This affects: ZXV10 B860H V5.0, V83011303.0010, V83011303.0016

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)

ZTE — Zxv10 B860h V5.0 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-21737",
  "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": "ZXV10 B860H V5.0",
          "versions": [
            {
              "status": "affected",
              "version": "V83011303.0010,V83011303.0016"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-24T11:15:07.833",
  "references": [
    {
      "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1016004",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@zte.com.cn"
    },
    {
      "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1016004",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A smart STB product of ZTE is impacted by a permission and access control vulnerability. Due to insufficient protection of system application, attackers could use this vulnerability to tamper with the system desktop and affect system customization functions. This affects: ZXV10 B860H V5.0, V83011303.0010, V83011303.0016"
    },
    {
      "lang": "es",
      "value": "Un producto STB inteligente de ZTE está impactado por una vulnerabilidad de control de permisos y acceso. Debido a una protección insuficiente de la aplicación del sistema, unos atacantes podrían usar esta vulnerabilidad para dañar el escritorio del sistema y afectar a las funciones de personalización del mismo. Esto afecta las versiones: ZXV10 B860H V5.0, V83011303.0010, V83011303.0016"
    }
  ],
  "lastModified": "2026-06-17T03:36:03.973",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zte:zxv10_b860h_v5.0_firmware:v83011303.0010:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E1D9FE4D-7251-4FF3-8F84-6FDCFB980365"
            },
            {
              "criteria": "cpe:2.3:o:zte:zxv10_b860h_v5.0_firmware:v83011303.0016:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F4BD9772-C527-4D7D-836D-3904631B8623"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zte:zxv10_b860h_v5.0:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "C2448B55-A871-4CC3-BE4C-D6D7C63C91FF"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@zte.com.cn"
}