« Volver al listado

CVE-2021-40350

Estado: ModificadaCrítica (9.8)—

webctrl.cgi.elf en los dispositivos Christie Digital DWU850-GS versión V06.46, permite a atacantes llevar a cabo cualquier acción deseada por medio de una consulta diseñada que contenga un encabezado Cookie no especificada. Una omisión de autenticación puede lograrse al incluir una cookie administrativa que el dispositivo no comprueba

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)

Christiedigital — Dwu850-gs Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-40350",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-01T15:15:12.887",
  "references": [
    {
      "url": "https://securityshards.wordpress.com/2021/08/31/cve-pending-christie-dwu850-gs-authentication-bypass/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://securityshards.wordpress.com/2021/08/31/cve-pending-christie-dwu850-gs-authentication-bypass/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "webctrl.cgi.elf on Christie Digital DWU850-GS V06.46 devices allows attackers to perform any desired action via a crafted query containing an unspecified Cookie header. Authentication bypass can be achieved by including an administrative cookie that the device does not validate."
    },
    {
      "lang": "es",
      "value": "webctrl.cgi.elf en los dispositivos Christie Digital DWU850-GS versión V06.46, permite a atacantes llevar a cabo cualquier acción deseada por medio de una consulta diseñada que contenga un encabezado Cookie no especificada. Una omisión de autenticación puede lograrse al incluir una cookie administrativa que el dispositivo no comprueba"
    }
  ],
  "lastModified": "2026-06-17T04:06:46.710",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:christiedigital:dwu850-gs_firmware:06.46:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F22BE444-2399-4D88-AEDB-DB6E388C17D1"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:christiedigital:dwu850-gs:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "0D5EE0C4-C915-4976-BD59-49E0F07F98BA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}