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CVE-2021-36711

Estado: ModificadaCrítica (9.8)—Exploit
Gravedad9.8Crítica · CVSS 3.1
Probabilidad de explotación17 %mayor que el 97 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB

WebInterface en OctoBot versiones anteriores a 0.4.4, permite una ejecución de código remota porque la carga de Tentacles es manejada inapropiadamente

CVSS

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

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
17 %
Percentil entre todas las CVEs puntuadas
97
Fecha de la puntuación
22/10/2026

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).

Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Octobot — Octobot

CWE

Referencias

Mostrar las 12 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-36711",
  "cveTags": [],
  "metrics": {
    "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": [
    {
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      "affectedData": [
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  "published": "2022-07-16T17:15:08.440",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/167780/OctoBot-WebInterface-0.4.3-Remote-Code-Execution.html",
      "tags": [
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        "Third Party Advisory"
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      "source": "cve@mitre.org"
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      "url": "https://github.com/Drakkar-Software/OctoBot/blob/master/CHANGELOG.md",
      "tags": [
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      "tags": [
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        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://www.octobot.online/",
      "tags": [
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "WebInterface in OctoBot before 0.4.4 allows remote code execution because Tentacles upload is mishandled."
    },
    {
      "lang": "es",
      "value": "WebInterface en OctoBot versiones anteriores a 0.4.4, permite una ejecución de código remota porque la carga de Tentacles es manejada inapropiadamente"
    }
  ],
  "lastModified": "2026-06-17T03:59:02.063",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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              "criteria": "cpe:2.3:a:octobot:octobot:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "21346162-74C9-47AB-8AEF-48F306862DBC",
              "versionEndExcluding": "0.4.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}