GHSA-m9cj-v55f-8x26

ghsaUSosv

Authentication Bypass in keycloak

view advisory published 2022-03-18Licence: CC-BY-4.0

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2020-27826US	medium4.2	0.57% (47th)	—	2021-05-28
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…

references

External citations — patches, advisories, analysis.

https://access.redhat.com/security/cve/cve-2020-27826WEB
https://bugzilla.redhat.com/show_bug.cgi?id=1905089WEB
https://github.com/keycloak/keycloak/commit/dae4a3eaf26590b8d441b8e4bec3b700ee303b72WEB
https://nvd.nist.gov/vuln/detail/CVE-2020-27826ADVISORY

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