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CVE-2021-47900

Estado: AplazadaCrítica (9.3)—

Gila CMS versions prior to 2.0.0 contain a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary system commands through manipulated HTTP headers. Attackers can inject PHP code in the User-Agent header with shell_exec() to run system commands by sending crafted requests to the admin endpoint.

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 en aplicación web expuesta (Gila CMS) explotable remotamente sin autenticación mediante inyección de código PHP en headers HTTP; permite ejecución de comandos y potencial acceso no autorizado.

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

Tecnologías afectadas (1)

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

CWE

Referencias

JSON original (NVD)

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          "options": [
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  "published": "2026-01-27T16:16:12.920",
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      "url": "https://gilacms.com/",
      "source": "disclosure@vulncheck.com"
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      "url": "https://github.com/GilaCMS/gila",
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      "url": "https://www.exploit-db.com/exploits/49412",
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      "url": "https://www.vulncheck.com/advisories/gila-cms-remote-code-execution",
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    }
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  "lastModified": "2026-06-17T04:18:43.273",
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