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CVE-2020-37023

Estado: AplazadaAlta (8.7)—

Koken CMS 0.22.24 contains a file upload vulnerability that allows authenticated attackers to bypass file extension restrictions by renaming malicious PHP files. Attackers can upload PHP files with system command execution capabilities by manipulating the file upload request through a web proxy and changing the file extension.

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 CMS remoto (AV:N) que requiere autenticación previa (PR:L), permitiendo subida de archivos PHP maliciosos para ejecución remota. T1210 (servicios remotos) y web shell (T1505.003).

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

Disable or Remove Feature or ProgramPrivileged Account ManagementVulnerability ScanningUser Account ManagementThreat Intelligence ProgramRestrict Web-Based Content

Tecnologías afectadas (1)

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

Koken — Koken CMSAI

CWE

Referencias

JSON original (NVD)

Mostrar
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          "id": "CVE-2020-37023",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
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              "automatable": "no"
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  "published": "2026-01-30T23:16:06.960",
  "references": [
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      "url": "http://koken.me/",
      "source": "disclosure@vulncheck.com"
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    {
      "url": "https://github.com/V1n1v131r4/Bypass-File-Upload-on-Koken-CMS/blob/master/README.md",
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    {
      "url": "https://www.exploit-db.com/exploits/48706",
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    {
      "url": "https://www.softaculous.com/apps/cms/Koken",
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      "url": "https://www.vulncheck.com/advisories/koken-cms-arbitrary-file-upload",
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      "value": "Koken CMS 0.22.24 contains a file upload vulnerability that allows authenticated attackers to bypass file extension restrictions by renaming malicious PHP files. Attackers can upload PHP files with system command execution capabilities by manipulating the file upload request through a web proxy and changing the file extension."
    },
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    }
  ],
  "lastModified": "2026-06-17T03:16:46.887",
  "sourceIdentifier": "disclosure@vulncheck.com"
}