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Missing Support for Integrity Check

CVE-2021-26608

High
8.8/10

Summary

An arbitrary file download and execution vulnerability was found in the HShell.dll of handysoft Co., Ltd groupware ActiveX module. This issue is due to missing support for integrity check of download URL or downloaded file hash.

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

CWE-353 - Missing Support for Integrity Check

The software uses a transmission protocol that does not include a mechanism for verifying the integrity of the data during transmission, such as a checksum.

References

Advisory Timeline

  • Published