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CVE-2021-4465

Estado: AplazadaAlta (8.7)—

ReQuest Serious Play F3 Media Server versions 7.0.3.4968 (Pro), 7.0.2.4954, 6.5.2.4954, 6.4.2.4681, 6.3.2.4203, and 2.0.1.823 contain a remote denial-of-service vulnerability. The device can be shut down or rebooted by an unauthenticated attacker through a single crafted HTTP GET request, allowing remote interruption of service availability.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad de DoS remota (CWE-400) explotable sin autenticación vía HTTP GET contra servicio expuesto (T1190). El impacto es negación de servicio por apagado/reinicio del dispositivo (T1499.004).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Isolation and Sandboxing

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Request — Serious Play F3 Media ServerAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-4465",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-4465",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-11-18T16:28:09.165341Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "disclosure@vulncheck.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 8.7,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "disclosure@vulncheck.com",
      "affectedData": [
        {
          "vendor": "ReQuest Serious Play LLC",
          "product": "ReQuest Serious Play Pro",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.3.4968"
            }
          ],
          "defaultStatus": "unknown"
        },
        {
          "vendor": "ReQuest Serious Play LLC",
          "product": "ReQuest Serious Play",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.2.4954"
            },
            {
              "status": "affected",
              "version": "6.5.2.4954"
            },
            {
              "status": "affected",
              "version": "6.4.2.4681"
            },
            {
              "status": "affected",
              "version": "6.3.2.4203"
            },
            {
              "status": "affected",
              "version": "2.0.1.823"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2025-11-14T23:15:42.177",
  "references": [
    {
      "url": "http://www.request.com/",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://cxsecurity.com/issue/WLB-2020100122",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/190031",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://packetstorm.news/files/id/159602",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.exploit-db.com/exploits/48951",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.vulncheck.com/advisories/request-serious-play-f3-media-server-remote-dos",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://cxsecurity.com/issue/WLB-2020100122",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    },
    {
      "url": "https://www.exploit-db.com/exploits/48951",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    },
    {
      "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "disclosure@vulncheck.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ReQuest Serious Play F3 Media Server versions 7.0.3.4968 (Pro), 7.0.2.4954, 6.5.2.4954, 6.4.2.4681, 6.3.2.4203, and 2.0.1.823 contain a remote denial-of-service vulnerability. The device can be shut down or rebooted by an unauthenticated attacker through a single crafted HTTP GET request, allowing remote interruption of service availability."
    }
  ],
  "lastModified": "2026-06-17T04:19:48.960",
  "sourceIdentifier": "disclosure@vulncheck.com"
}