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CVE-2019-3868

3.8 · LOW

Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC.

Published Apr 24, 2019CWE-200EPSS 1.00%

Overview

CVE-2019-3868 is a low-severity vulnerability. It was published on April 24, 2019 and has a CVSS 3.0 base score of 3.8 (LOW).

This vulnerability has a CVSS 3.0 base score of 3.8, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user’s browser session.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.securityfocus.com/bid/108061Refaccess.redhat.com/errata/RHSA-2019:1140Refaccess.redhat.com/errata/RHSA-2019:2998Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3868Refwww.securityfocus.com/bid/108061Refaccess.redhat.com/errata/RHSA-2019:1140Refaccess.redhat.com/errata/RHSA-2019:2998Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3868

How CyberStrike helps

Frequently asked questions

What is CVE-2019-3868?

CVE-2019-3868 is a low-severity vulnerability. It was published on April 24, 2019 and has a CVSS 3.0 base score of 3.8 (LOW).

How severe is CVE-2019-3868?

This vulnerability has a CVSS 3.0 base score of 3.8, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-3868?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2019-3868?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-3868 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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