CVE-2021-3754

moderate-risk

Published 2022-08-26

A flaw was found in keycloak where an attacker is able to register himself with the username same as the email ID of any existing user. This may cause trouble in getting password recovery email in case the user forgets the password.

Do I need to act?

12.3% chance of exploitation in next 30 days

EPSS score — higher than 88% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (2)

Keycloak

Single Sign-On

Affected Vendors

Redhat

References (4)

Vendor Advisory https://access.redhat.com/security/cve/CVE-2021-3754

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1999196

Vendor Advisory https://access.redhat.com/security/cve/CVE-2021-3754

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1999196

/ 100

moderate-risk

Severity 21/34 · High

Exploitability 12/34 · Low

Exposure 7/34 · Low