CVE-2021-3424
Last modified
CVE-2021-3424 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Single Sign-On | 7.4 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1933320Issue Tracking, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1933320Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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