CVE-2021-3754

MEDIUM

Keycloak - Info Disclosure

Title source: llm

Description

A flaw was found in keycloak where an attacker is able to register himself with the username same as the email ID of any existing user. This may cause trouble in getting password recovery email in case the user forgets the password.

Exploits (1)

nomisec WRITEUP 1 stars
by 7Ragnarok7 · poc
https://github.com/7Ragnarok7/CVE-2021-3754

Scores

CVSS v3 5.3
EPSS 0.1232
EPSS Percentile 93.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-20
Status published
Products (3)
org.keycloak/keycloak-services 0 - 24.0.1Maven
redhat/keycloak
redhat/single_sign-on 7.0
Published Aug 26, 2022
Tracked Since Feb 18, 2026