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Authentication Bypass by Spoofing

CVE-2023-2585

High
7.5/10

Summary

Keycloak Device Authorization Grant is vulnerable to Client Spoofing. Under certain pre-conditions the vulnerability allows an attacker to spoof parts of the device flow and use a "device_code" to retrieve an access token for other OAuth clients. This issue affects versions prior to 21.1.2.

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

CWE-290 - Authentication Bypass by Spoofing

This attack-focused weakness is caused by improperly implemented authentication schemes that are subject to spoofing attacks.

References

Advisory Timeline

  • Published