CVE-2021-3424
MEDIUM5.3EPSS 0.16%Keycloak is vulnerable to IDN homograph attack
Published: 4/28/2022Modified: 11/8/2023
Description
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.
Affected packages (1)
- Maven/org.keycloak:keycloak-servicesfrom 0, < 18.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |