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Unrestricted Upload of File with Dangerous Type

CVE-2020-17462

High
7.8/10

Summary

CMS Made Simple 2.2.14 allows Authenticated Arbitrary File Upload because the File Manager does not block .ptar files, a related issue to CVE-2017-16798.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • 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