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Unrestricted Upload of File with Dangerous Type

CVE-2021-36040

High
9.1/10

Summary

Magento Commerce versions prior to 2.3.7-p1, and 2.4.x prior to 2.4.2-p2 are affected by an Improper Input Validation vulnerability. An attacker with admin privileges can upload a specially crafted file to bypass file extension restrictions, which could lead to Remote Code Execution.

  • LOW
  • NETWORK
  • HIGH
  • CHANGED
  • NONE
  • HIGH
  • 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