CVE-2021-3827 Vulnerability Details

  /     /     /  

CVE-2021-3827 Metadata Quick Info

CVE Published: 23/08/2022 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: redhat | Vendor: n/a | Product: keycloak
Status : PUBLISHED

---

CVE-2021-3827 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.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID: CWE-287
CWE Name: CWE-287 - Improper Authentication
Source: n/a

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).