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Observable Discrepancy

CVE-2025-24023

Medium
5.3/10

Summary

Flask-AppBuilder is an application development framework. Flask-AppBuilder versions prior to 4.5.3rc1, allows unauthenticated users to enumerate existing usernames by timing the response time from the server when brute forcing requests to login.

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

CWE-203 - Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

Advisory Timeline

  • Published