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Unrestricted Upload of File with Dangerous Type

CVE-2021-46386

High
9.8/10

Summary

https://gitee.com/mingSoft/MCMS MCMS is affected by File Upload. The impact is, it executes arbitrary code (remote). The component is: net.mingsoft.basic.action.web.FileAction#upload. The attack vector is: jspx webshell.MCMS has a file upload vulnerability through which attacker can upload a webshell. Successful attacks of this vulnerability can result in takeover of MCMS

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-434 - Unrestricted Upload of File with dangerous type

'Unrestricted file upload with dangerous type' attacks involve an attacker uploading or transferring files of dangerous types to the server. The severity of such an attack depends upon the execution mechanism and the storage location of the uploaded file. Thus, it may range from simple defacement to arbitrary file execution, and complete system takeover.

References

Advisory Timeline

  • Published