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CVE-2021-3513

Good to know:

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Date: August 22, 2022

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.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Insufficiently Protected Credentials

CWE-522

Generation of Error Message Containing Sensitive Information

CWE-209

Top Fix

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Upgrade Version

Upgrade to version org.keycloak:keycloak-services:13.0.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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