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The exploit has been disclosed to the public and may be used."},{"lang":"es","value":"Se ha encontrado una vulnerabilidad clasificada como crítica en Beijing Yunfan Internet Technology Yunfan Learning Examination System 1.9.2. Esta vulnerabilidad afecta a una funcionalidad desconocida del archivo src/main/java/com/yf/exam/modules/sys/user/controller/SysUserControl del componente JWT Token Handler. La manipulación conduce a una autenticación incorrecta. El ataque puede lanzarse de forma remota. La complejidad de un ataque es bastante alta. La explotación parece ser difícil. 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