CVE-2021-3424

MEDIUM
5.3
CVSS Score
Published: June 1, 2021 at 06:43 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsSingle Sign onKeycloak

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.8%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_MISCIssue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1933320

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287NVD-CWE-Other

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