CVE-2021-3827

Published Aug 23, 2022

Last updated 2 years ago

Overview

Description
A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior, an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user's credentials. The highest threat from this vulnerability is to confidentiality and integrity.
Source
secalert@redhat.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
6.8
Impact score
5.2
Exploitability score
1.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity
MEDIUM

Weaknesses

nvd@nist.gov
CWE-287
secalert@redhat.com
CWE-287

Social media

Hype score
Not currently trending

Configurations