What is CVE-2021-3513?

CVE-2021-3513 is a high-severity vulnerability in Red Hat Keycloak, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2022-08-22.

How severe is CVE-2021-3513?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-3513 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Red Hat Keycloak

CVE-2021-3513

A flaw was found in keycloak where a brute force attack is possible even when the permanent lockout feature is enabled. This is due to a wrong error message displayed when wrong credentials are entered. The highest threat from this vulnerability is to confidentiality.

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Redhat Keycloak
N/a Keycloak — versions Fixed in keycloak v13.0.0.

Weakness classification (CWE)

Public proof-of-concept exploits

muneebaashiq/MBProjects

References

secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
secalert@redhat.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3513?: CVE-2021-3513 is a high-severity vulnerability in Red Hat Keycloak, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2022-08-22.
How severe is CVE-2021-3513?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-3513 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.