CVE-2021-3513

HIGH

Keycloak - Confidentiality Info Disclosure

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1953439
Vendor Advisory x_refsource_misc
https://access.redhat.com/security/cve/CVE-2021-3513

Scores

CVSS v3 7.5
EPSS 0.0020
EPSS Percentile 41.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-522 CWE-209
Status published
Products (2)
org.keycloak/keycloak-parent 0 - 13.0.0Maven
redhat/keycloak < 13.0.0
Published Aug 22, 2022
Tracked Since Feb 18, 2026