What is CVE-2021-20222?

CVE-2021-20222 is a high-severity vulnerability in Red Hat Keycloak, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-03-23.

How severe is CVE-2021-20222?

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

Is CVE-2021-20222 known to be exploited?

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

XSS in Red Hat Keycloak

CVE-2021-20222

A flaw was found in keycloak. The new account console in keycloak can allow malicious code to be executed using the referrer URL. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (64.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Redhat Keycloak
N/a Keycloak — versions keycloak 13.0.0

Weakness classification (CWE)

Public proof-of-concept exploits

muneebaashiq/MBProjects

References

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

Frequently asked questions

What is CVE-2021-20222?: CVE-2021-20222 is a high-severity vulnerability in Red Hat Keycloak, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-03-23.
How severe is CVE-2021-20222?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-20222 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.