In short
- CVE-2021-3424 is a MEDIUM (CVSS 5.3) vulnerability affecting org.keycloak:keycloak-services, single sign-on (redhat).
- Chance of exploitation in the next 30 days (EPSS): 0.77%, higher than 55.7% of all vulnerabilities.
- Fix: update to 18.0.0 or later.
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.
NVD 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.
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