CVE-2020-27826

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.2 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 38%
VendorProductVersion
redhatkeycloak
𝑥
< 12.0.0
redhatsingle_sign-on
-
redhatsingle_sign-on
7.4
redhatsingle_sign-on
7.4.4
𝑥
= Vulnerable software versions