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CVE-2021-3754

keycloak: allows using email as username

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.

CVSS 3.1 · 5.3 Medium EPSS 2.2% KEV · Not listed
Vendors
Redhat
Products
Keycloak Single Sign-on
CVE-2021-3637

keycloak-model-infinispan: authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly could lead to a DoS attack

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.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
Vendors
Redhat
Products
Keycloak Red Hat Single Sign On Single Sign-on
CVE-2021-3632

keycloak: Anyone can register a new device when there is no device registered for passwordless login

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.

CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Keycloak Red Hat Single Sign On and 1 more
CVE-2021-3513

keycloak: Brute force attack is possible even after the account 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.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Keycloak Red Hat Single Sign On
CVE-2021-3461

keycloak: Backchannel logout not working when Principal Type is set to Attribute Name for external SAML IDP

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].

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Keycloak Red Hat Single Sign On Single Sign-on
CVE-2021-20323

keycloak-services: POST based reflected Cross Site Scripting vulnerability

A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.

CVSS 3.1 · 6.1 Medium EPSS 37.2% KEV · Not listed
Vendors
Redhat
Products
Keycloak Red Hat Single Sign On
CVE-2021-20262

keycloak: missing re-authentication while updating password

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.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Keycloak Single Sign-on
CVE-2021-20222

keycloak: reflected XSS attack with referrer in new account console

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.

CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Vendors
Redhat
Products
Keycloak
CVE-2021-20202

keycloak: Temporary Directory Hijacking Vulnerability in Keycloak

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.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Keycloak
CVE-2021-20195

keycloak: The Account console allows stored self-XSS via impersonation mechanism

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 system availability.

CVSS 3.1 · 9.6 Critical EPSS 1.2% KEV · Not listed
Vendors
Redhat
Products
Keycloak
CVE-2020-27838

keycloak: Exploiting the client registration API

A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.

CVSS 3.1 · 6.5 Medium EPSS 17.9% KEV · Not listed
Vendors
Redhat
Products
Keycloak Single Sign-on
CVE-2020-27826

keycloak: Account REST API can update user metadata attributes

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.

CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Keycloak Red Hat Single Sign On Single Sign-on
CVE-2020-1758

keycloak: improper verification of certificate with host mismatch could result in information disclosure

A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Jboss Single Sign On Keycloak Openstack and 1 more
CVE-2020-1744

keycloak: failedLogin Event not sent to BruteForceProtector when using Post Login Flow with Conditional-OTP

A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector does not handle this events.

CVSS 3.1 · 5.6 Medium EPSS 1.1% KEV · Not listed
Vendors
Redhat
Products
Jboss Single Sign On Keycloak Openshift Application Runtimes and 1 more
CVE-2020-1731

keycloak: generates same admin password while installation when deployed on same openshift namespace

A flaw was found in all versions of the Keycloak operator, before version 8.0.2,(community only) where the operator generates a random admin password when installing Keycloak, however the password remains the same when deployed to the same OpenShift namespace.

CVSS 3.1 · 9.1 Critical EPSS 1.3% KEV · Not listed
Vendors
Redhat
Products
Keycloak Operator
CVE-2020-1728

keycloak: security headers missing on REST endpoints

A vulnerability was found in all versions of Keycloak where, the pages on the Admin Console area of the application are completely missing general HTTP security headers in HTTP-responses. This does not directly lead to a security issue, yet it might aid attackers in their efforts to exploit other problems. The flaws unnecessarily make the servers more prone to Clickjacking, channel downgrade attacks and other similar client-based attack vectors.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Quarkus Redhat
Products
Quarkus Jboss Single Sign On Keycloak and 2 more
CVE-2020-1727

keycloak: missing input validation in IDP authorization URLs

A vulnerability was found in Keycloak before 9.0.2, where every Authorization URL that points to an IDP server lacks proper input validation as it allows a wide range of characters. This flaw allows a malicious to craft deep links that introduce further attack scenarios on affected clients.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Keycloak Openshift Application Runtimes Red Hat Single Sign On
CVE-2020-1725

keycloak-gatekeeper: improper usage of parsed claims for authorization leads to improper resource access

A flaw was found in keycloak before version 13.0.0. In some scenarios a user still has access to a resource after changing the role mappings in Keycloak and after expiration of the previous access token.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Keycloak
CVE-2020-1724

keycloak: problem with privacy after user logout

A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Jboss Single Sign On Keycloak Openshift Application Runtimes and 2 more
CVE-2020-1723

keycloak: logout endpoint /oauth/logout?redirect=url can be abused to redirect logged in users to arbitrary web pages

A flaw was found in Keycloak Gatekeeper (Louketo). The logout endpoint can be abused to redirect logged-in users to arbitrary web pages. Affected versions of Keycloak Gatekeeper (Louketo): 6.0.1, 7.0.0

CVSS 3.1 · 6.1 Medium EPSS 1.0% KEV · Not listed
Vendors
Keycloak Gatekeeper Project Redhat
Products
Keycloak Gatekeeper Mobile Application Platform