Redhat Keycloak vulnerabilities

CVE-2021-3632 [HIGH] CWE-287 CVE-2021-3632: A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or 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.

CVE-2021-3856 [MEDIUM] CWE-552 CVE-2021-3856: ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a re ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of random files if available.

CVE-2021-3754 [MEDIUM] CWE-20 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 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.

CVE-2022-0225 [MEDIUM] CWE-79 CVE-2022-0225: A flaw was found in Keycloak A flaw was found in Keycloak. This flaw allows a privileged attacker to use the malicious payload as the group name while creating a new group from the admin console, leading to a stored Cross-site scripting (XSS) attack.

CVE-2021-3827 [MEDIUM] CWE-287 CVE-2021-3827: A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows t 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 confidentiali

CVE-2020-35509 [MEDIUM] CWE-20 CVE-2020-35509: A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be a 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.

CVE-2021-3513 [HIGH] CWE-522 CVE-2021-3513: A flaw was found in keycloak where a brute force attack is possible even when the permanent lockout 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.

CVE-2022-2668 [HIGH] CVE-2022-2668: An issue was discovered in Keycloak that allows arbitrary Javascript to be uploaded for the SAML pro An issue was discovered in Keycloak that allows arbitrary Javascript to be uploaded for the SAML protocol mapper even if the UPLOAD_SCRIPTS feature is disabled

CVE-2022-1245 [CRITICAL] CWE-862 CVE-2022-1245: A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorizati 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 unauthorized access to additional services.

CVE-2022-1466 [MEDIUM] CWE-863 CVE-2022-1466: Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that 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.

CVE-2021-3461 [HIGH] CWE-613 CVE-2021-3461: A flaw was found in keycloak where keycloak may fail to logout user session if the logout request co 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].

CVE-2021-20323 [MEDIUM] CWE-79 CVE-2021-20323: A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak. A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.

CVE-2021-4133 [HIGH] CWE-863 CVE-2021-4133: A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.

CVE-2021-3637 [HIGH] CWE-770 CVE-2021-3637: A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticatio A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly which could lead to a DoS attack.

CVE-2021-3424 [MEDIUM] CWE-287 CVE-2021-3424: A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7 A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.

CVE-2021-20195 [CRITICAL] CWE-20 CVE-2021-20195: A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating t A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is to data confidentiality and integrity as well as s

CVE-2020-27826 [MEDIUM] CWE-250 CVE-2020-27826: A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadat A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.

CVE-2021-20202 [HIGH] CWE-377 CVE-2021-20202: A flaw was found in keycloak. Directories can be created prior to the Java process creating them in A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the attacker to have access to the contents that keycloak stores in this directory. The highest threat from this vulnerability is to data confidentiality and integrity.

CVE-2021-20222 [HIGH] CWE-20 CVE-2021-20222: A flaw was found in keycloak. The new account console in keycloak can allow malicious code to be exe A flaw was found in keycloak. The new account console in keycloak can allow malicious code to be executed using the referrer URL. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVE-2021-20262 [MEDIUM] CWE-306 CVE-2021-20262: A flaw was found in Keycloak 12.0.0 where re-authentication does not occur while updating the passwo A flaw was found in Keycloak 12.0.0 where re-authentication does not occur while updating the password. This flaw allows an attacker to take over an account if they can obtain temporary, physical access to a user’s browser. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.