AUGUST 4, 2026
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Case File

CVE-2021-3424

MEDIUM · CVSS 5.3 EPSS 0.77%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. See the original NVD description below for full technical details.

CVE
CVE-2021-3424
Severity
MEDIUM
CVSS
5.3
EPSS
0.77%

Original 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)