CVE-2024-21855

Estado: AnalizadaCrítica (9.8)—

A lack of authentication vulnerability exists in the HTTP API functionality of GoCast 1.1.3. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 2.04%
Percentil entre todas las CVEs puntuadas: 80
Fecha de la puntuación: 5/10/2026

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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access95 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access75 %

Vector CVSS con AV:N, AC:L, PR:N, UI:N indica explotación remota sin autenticación (T1190). La descripción menciona 'arbitrary command execution' (T1059) y acceso sin autenticación (T1078).

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

Privileged Account Management Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Training User Account Management

Tecnologías afectadas (1)

Mayuresh82 — Gocast

CWE

CWE-306

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2024-21855",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-21855",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-11-21T15:47:53.595504Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "talos-cna@cisco.com",
        "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": "talos-cna@cisco.com",
      "affectedData": [
        {
          "vendor": "GoCast",
          "product": "GoCast",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.3"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:gocast:gocast:*:*:*:*:*:*:*:*"
          ],
          "vendor": "gocast",
          "product": "gocast",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.3"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-11-21T15:15:26.940",
  "references": [
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2024-1962",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1962",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "talos-cna@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A lack of authentication vulnerability exists in the HTTP API functionality of GoCast 1.1.3. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de falta de autenticación en la funcionalidad de la API HTTP de GoCast 1.1.3. Una solicitud HTTP especialmente manipulada puede provocar la ejecución de un comando arbitrario. Un atacante puede realizar una solicitud HTTP no autenticada para activar esta vulnerabilidad."
    }
  ],
  "lastModified": "2026-06-17T07:10:17.270",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mayuresh82:gocast:1.1.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D05D6000-69B5-4BE9-8E11-3BB4EC5A575F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com"
}