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keycloak vulnerabilities and exploits
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5.3
CVSSv3
CVE-2021-3754
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.
Redhat Keycloak -
Redhat Single Sign-on 7.0
1 Github repository
7.5
CVSSv3
CVE-2021-3632
A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.
Redhat Single Sign-on 7.0
Redhat Keycloak
Redhat Single Sign-on
6.8
CVSSv3
CVE-2021-3827
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'...
Redhat Single Sign-on 7.0
Redhat Keycloak
Redhat Single Sign-on 7.5.0
Redhat Openshift Container Platform 4.8
Redhat Openshift Container Platform 4.9
5.4
CVSSv3
CVE-2020-35509
A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.
Redhat Keycloak 12.0.0
Redhat Keycloak 11.0.3
7.5
CVSSv3
CVE-2021-3513
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.
Redhat Keycloak
7.2
CVSSv3
CVE-2022-2668
An issue exists in Keycloak that allows arbitrary Javascript to be uploaded for the SAML protocol mapper even if the UPLOAD_SCRIPTS feature is disabled
Redhat Single Sign-on 7.0
Redhat Keycloak 18.0.0
9.8
CVSSv3
CVE-2022-1245
A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the client_id of the target. This could allow a client to gain unaut...
Redhat Keycloak
6.5
CVSSv3
CVE-2022-1466
Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that they should not be allowed to perform. It was possible to add users to the master realm even though no respective permission was granted.
Redhat Keycloak
Redhat Single Sign-on 7.5.0
7.1
CVSSv3
CVE-2021-3461
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
Redhat Keycloak 9.0.13
Redhat Single Sign-on 7.0
Redhat Single Sign-on 7.4
Redhat Single Sign-on 7.4.7
6.1
CVSSv3
CVE-2021-20323
A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.
Redhat Keycloak
4 Github repositories
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
man-in-the-middle
command injection
CVE-2021-47511
CVE-2024-26238
CVE-2024-4858
CVE-2024-21305
XXE
CVE-2021-47555
CVE-2021-47526
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