A flaw was found in keycloak 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 wrong credentials are entered. The highest threat from this vulnerability is to confidentiality.
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
The product generates an error message that includes sensitive information about its environment, users, or associated data.
Link | Tags |
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https://bugzilla.redhat.com/show_bug.cgi?id=1953439 | issue tracking vendor advisory |
https://access.redhat.com/security/cve/CVE-2021-3513 | vendor advisory |