What is CVE-2021-20195?

CVE-2021-20195 is a critical-severity vulnerability in Redhat Keycloak, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2021-05-28.

How severe is CVE-2021-20195?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Is CVE-2021-20195 known to be exploited?

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

Improper input validation in Redhat Keycloak

CVE-2021-20195

A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to pro…

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

EPSS: 0.012 (66.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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-2021-20195?: CVE-2021-20195 is a critical-severity vulnerability in Redhat Keycloak, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2021-05-28.
How severe is CVE-2021-20195?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2021-20195 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.