VulnerabilityModified
CVE-2020-27826
This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
MEDIUM 4.2EPSS 0.57%
Does this matter?
Lower severity and a low EPSS score (0.57%). Track it; it rarely justifies an emergency change on its own.
Description
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 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 0.57% probability · 45th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-250
- Affected
- redhat/keycloak · redhat/single sign-on
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1905089Issue Tracking, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1905089Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.