CVE-2020-27838
6.5 · MEDIUMOverview
CVE-2020-27838 is a medium-severity vulnerability affecting redhat keycloak. It was published on March 8, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.
Remediation
Check the references section for vendor advisories and patches from redhat. Update keycloak to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| redhat | keycloak | >= 0, < 13.0.0 | Affected |
Frequently Asked Questions
What is CVE-2020-27838?
CVE-2020-27838 is a medium-severity vulnerability affecting redhat keycloak. It was published on March 8, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2020-27838?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-27838?
Check the references section for vendor advisories and patches from redhat. Update keycloak to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-27838?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-27838 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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