Moderate severityNVD Advisory· Published Jun 1, 2021· Updated Aug 3, 2024

CVE-2021-3424

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

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
org.keycloak:keycloak-servicesMaven	< 18.0.0	18.0.0

Affected products

N/a/Keycloakv5
Range: as shipped in Red Hat Single Sign-On 7.4

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/advisories/GHSA-pf38-cw3p-22q9ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-3424ghsaADVISORY
bugzilla.redhat.com/show_bug.cgighsax_refsource_MISCWEB

News mentions

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cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000