CVE-2021-3424

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 01-06-2021 09:15

Last modified: - 25-04-2022 09:49

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

None

Availability

None

Confidentiality

Low

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

5.3

Base score

3.9

1.4

Exploitability score

Impact score

Verification logic

vendor=Red Hat Enterprise Linux AND product=single_sign-on AND version=7.4

Reference

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

Keywords

CVE-2021-3424

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-3424

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures