CVE-2021-20262
First published: Mon Mar 01 2021(Updated: )
A flaw was found in Keycloak 12.0.0 where re-authentication does not occur while updating the password. This flaw allows an attacker to take over an account if they can obtain temporary, physical access to a user’s browser. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.keycloak:keycloak-core | <=12.0.4 | |
| Red Hat Keycloak | =12.0.0 | |
| redhat single sign-on | =7.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-20262?
CVE-2021-20262 is a vulnerability in Keycloak 12.0.0 that allows an attacker to take over an account if they can obtain temporary physical access to a user's browser.
What is the severity of CVE-2021-20262?
The severity of CVE-2021-20262 is medium with a CVSS score of 6.8.
Which software versions are affected by CVE-2021-20262?
Keycloak 12.0.0 and Single Sign-on 7.0 are affected by CVE-2021-20262.
How do I mitigate the vulnerability CVE-2021-20262?
To mitigate CVE-2021-20262, it is recommended to update Keycloak to version 12.0.4 or apply any relevant patches provided by the vendor.
Where can I find more information about CVE-2021-20262?
You can find more information about CVE-2021-20262 on the NIST National Vulnerability Database, Red Hat Bugzilla, and GitHub Advisories.
- collector/github-advisory-latest
- alias/GHSA-xf46-8vvp-4hxx
- alias/CVE-2021-20262
- agent/author
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/weakness
- agent/references
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- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- agent/trending
- agent/softwarecombine
- agent/source
- agent/tags
- collector/nvd-cve
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/maven
- vendor/redhat
- canonical/red hat keycloak
- version/red hat keycloak/12.0.0
- canonical/redhat single sign-on
- version/redhat single sign-on/7.0