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Generation of Error Message Containing Sensitive Information

CVE-2021-3513

High
7.5/10

Summary

A flaw was found in keycloak versions prior to 13.0.0 where a brute force attack is possible even when the permanent lockout feature is enabled. This is due to a wrong error message displayed when the wrong credentials are entered. The highest threat from this vulnerability is confidentiality.

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

CWE-209 - Generation of Error Message Containing Sensitive Information

The software generates an error message that includes sensitive information about its environment, users, or associated data.

References

Advisory Timeline

  • Published