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Improper Input Validation

CVE-2019-20870

Medium
4.3/10

Summary

An issue was discovered in Mattermost Server before 5.10.0. An attacker can bypass the intended appearance of the Edited flag after changing a post's file ID.

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

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published