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CVE-2021-21751

Estado: ModificadaAlta (8.1)—

ZTE BigVideo analysis product has an input verification vulnerability. Due to the inconsistency between the front and back verifications when configuring the large screen page, an attacker with high privileges could exploit this vulnerability to tamper with the URL and cause service exception.

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 — Zxin10 CMS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-21751",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@zte.com.cn",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "ZXIN10 CMS",
          "versions": [
            {
              "status": "affected",
              "version": "All versions up to ZXOMS-BIGDATA-IOPSWEBV3.01.01.04"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-27T19:15:08.060",
  "references": [
    {
      "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1021884",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@zte.com.cn"
    },
    {
      "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1021884",
      "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 BigVideo analysis product has an input verification vulnerability. Due to the inconsistency between the front and back verifications when configuring the large screen page, an attacker with high privileges could exploit this vulnerability to tamper with the URL and cause service exception."
    },
    {
      "lang": "es",
      "value": "El producto ZTE BigVideo Analysis presenta una vulnerabilidad de verificación de entrada. Debido a la incoherencia entre las verificaciones anteriores y posteriores cuando es configurada la página de pantalla grande, un atacante con altos privilegios podría explotar esta vulnerabilidad para manipular la URL y causar una excepción de servicio"
    }
  ],
  "lastModified": "2026-06-17T03:36:05.423",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zte:zxin10_cms:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8511EFB2-B29D-494F-8689-AF1E0804BF77",
              "versionEndIncluding": "3.01.01.04"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@zte.com.cn"
}