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.
https://access.redhat.com/errata/RHSA-2019:2998
https://access.redhat.com/errata/RHSA-2019:1140
http://www.securityfocus.com/bid/108061
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3868
Source: Mitre, NVD
Published: 2019-04-24
Updated: 2024-11-21
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N
Severity: Medium
Base Score: 3.8
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Severity: Low
EPSS: 0.00291