CVE-2025-29867

Estado: AplazadaAlta (8.5)—

Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Hancom Inc. Hancom Office 2018, Hancom Inc. Hancom Office 2020, Hancom Inc. Hancom Office 2022, Hancom Inc. Hancom Office 2024 allows File Content Injection.This issue affects Hancom Office 2018: before 10.0.0.12681; Hancom Office 2020: before 11.0.0.8916; Hancom Office 2022: before 12.0.0.4426; Hancom Office 2024: before 13.0.0.3050.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/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
Puntuación base: 8.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.27%
Percentil entre todas las CVEs puntuadas: 18
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.

ExplotaciónT1203 Exploitation for Client Executionexecution90 %
Impacto principalT1565.001 Stored Data Manipulationimpact75 %
Impacto secundarioT1059 Command and Scripting Interpreterexecution60 %

Requiere UI:R (apertura de archivo preparado en Hancom Office) y afecta integridad (VI:H). CWE-843 (confusión de tipos) en inyección de contenido sugiere manipulación de datos y posible ejecución.

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

Restrict Web-Based Content Restrict File and Directory Permissions Privileged Account Management Remote Data Storage Limit Software Installation Execution Prevention

Tecnologías afectadas (4)

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

Hancom — Hancom Office 2018^AI Hancom — Hancom Office 2020^AI Hancom INC — Hancom Office 2022^AI Hancom INC — Hancom Office 2024^AI

CWE

CWE-843

Referencias

JSON original (NVD)

Mostrar

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  "published": "2026-02-04T05:16:06.620",
  "references": [
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      "url": "https://www.boho.or.kr/kr/bbs/view.do?searchCnd=&bbsId=B0000302&searchWrd=&menuNo=205023&pageIndex=1&categoryCode=&nttId=71959",
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      "url": "https://www.hancom.com/support/downloadCenter/download",
      "source": "vuln@krcert.or.kr"
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      "value": "Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Hancom Inc. Hancom Office 2018, Hancom Inc. Hancom Office 2020, Hancom Inc. Hancom Office 2022, Hancom Inc. Hancom Office 2024 allows File Content Injection.This issue affects Hancom Office 2018: before 10.0.0.12681; Hancom Office 2020: before 11.0.0.8916; Hancom Office 2022: before 12.0.0.4426; Hancom Office 2024: before 13.0.0.3050."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de acceso a recurso usando tipo incompatible ('Confusión de tipos') en Hancom Inc. Hancom Office 2018, Hancom Inc. Hancom Office 2020, Hancom Inc. Hancom Office 2022, Hancom Inc. Hancom Office 2024 permite la inyección de contenido de archivo. Este problema afecta a Hancom Office 2018: anterior a 10.0.0.12681; Hancom Office 2020: anterior a 11.0.0.8916; Hancom Office 2022: anterior a 12.0.0.4426; Hancom Office 2024: anterior a 13.0.0.3050."
    }
  ],
  "lastModified": "2026-06-17T09:05:47.880",
  "sourceIdentifier": "vuln@krcert.or.kr"
}