CVE-2021-20222: XSS
First published: Wed Feb 03 2021(Updated: )
Attacker can attach malicious code using the referrer URL using new account console. <a href="https://issues.redhat.com/browse/KEYCLOAK-17033">https://issues.redhat.com/browse/KEYCLOAK-17033</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/keycloak | <13.0.0 | 13.0.0 |
| Redhat Keycloak | >=9.0.0<13.0.0 |
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Reference Links
- https://issues.redhat.com/browse/KEYCLOAK-17033
- https://access.redhat.com/security/cve/cve-2021-20222
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1922216
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1924606#c10
- https://issues.redhat.com/browse/KEYCLOAK-6197
- https://github.com/keycloak/keycloak-prod/pull/421
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1924606#c13
- https://bugzilla.redhat.com/show_bug.cgi?id=1924606
Frequently Asked Questions
What is CVE-2021-20222?
CVE-2021-20222 is a vulnerability found in Keycloak that allows execution of malicious code using the referrer URL.
What is the impact of CVE-2021-20222?
The highest threat from CVE-2021-20222 is to data confidentiality and integrity, as well as system availability.
How can CVE-2021-20222 be exploited?
CVE-2021-20222 can be exploited by using the referrer URL in the new account console in Keycloak to execute malicious code.
What versions of Keycloak are affected by CVE-2021-20222?
Keycloak versions up to but excluding 13.0.0 are affected by CVE-2021-20222.
How can I fix CVE-2021-20222?
To fix CVE-2021-20222, upgrade your Keycloak installation to version 13.0.0 or later.
- collector/redhat-bugzilla
- alias/CVE-2021-20222
- collector/nvd-index
- agent/weakness
- agent/references
- agent/author
- agent/severity
- agent/type
- agent/tags
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- package-manager/redhat
- vendor/redhat
- canonical/redhat keycloak
- version/redhat keycloak/9.0.0