CVE-2021-3827
6.8
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Exploitability: 1.6 / Impact: 5.2
Source: NVD
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.
Affected (5)
Products: Redhat: Keycloak, Single Sign On, Openshift Container Platform
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 18.0.0 | |
| Version 7.0 |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Version 7.5.0 |
| Running on/with | Platform Versions |
|---|---|
Redhat Enterprise Linux | Version 7.0 |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Version 4.8 |
| Running on/with | Platform Versions |
|---|---|
Redhat Enterprise Linux | Version 8.0 |
References (8)
Source: secalert@redhat.com
Issue TrackingVendor Advisory
Source: secalert@redhat.com
PatchThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Timeline
No history available yet.