CVE-2021-47758
Chikitsa Patient Management System 2.0.2 contains an authenticated remote code execution vulnerability that allows attackers to upload malicious PHP plugins through the module upload functionality. Authenticated attackers can generate and upload a ZIP plugin with a PHP backdoor that enables arbitrary command execution on the server through a weaponized PHP script.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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: 8.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.95%
- Percentil entre todas las CVEs puntuadas: 60
- Fecha de la puntuación: 6/10/2026
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.
- Explotación
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1505.003Web Shellpersistence90 % - Impacto secundario
T1059Command and Scripting Interpreterexecution85 %
Vulnerabilidad autenticada de carga de archivos (CWE-434) en servicio remoto que permite ejecutar código PHP arbitrario via plugin malicioso ZIP, resultando en web shell y ejecución de comandos en el servidor.
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)
CWE
- CWE-434
Referencias
JSON original (NVD)
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