Improper Authentication The advisory has been revoked - it doesn't affect any version of package org.keycloak:keycloak-server-spi-private (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JAVA-ORGKEYCLOAK-1658295
- published24 Sept 2021
- disclosed2 Sept 2021
- creditUnknown
Introduced: 2 Sep 2021
CVE-2021-3827 (opens in a new tab)Amendment
This was deemed not a vulnerability.
Overview
org.keycloak:keycloak-server-spi-private is an open source identity and access management solution for modern applications and services.
Affected versions of this package are vulnerable to Improper Authentication. For each SAML client it is possible to send an AuthnRequest message via SOAP with Basic Authorization header and Keycloak will successfully authenticate the user for the client and will not consider the authentication flow applied. The presence of the flow is hidden from the administrator, it is not possible to disable it in the client's configuration similarly as direct grant etc.