CVE-2021-3424

EUVD-2022-1798
A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
Affected Products (NVD)
VendorProductVersion
redhatsingle_sign-on
7.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1933320
https://bugzilla.redhat.com/show_bug.cgi?id=1933320