CVE Vulnerabilities

CVE-2021-3424

Published: Jun 01, 2021 | Modified: Apr 25, 2022

CVSS 3.x

5.3

MEDIUM

Source:

NVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS 2.x

5 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-3424
CWE	https://cwe.mitre.org/data/definitions/NVD-Other.html

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 Software

Name	Vendor	Start Version	End Version
Single_sign-on	Redhat	7.4 (including)	7.4 (including)

References

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

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