VULNERABILITY INTELLIGENCE

CVE-2019-10157

CVSS score4.7 MEDIUM

EPSS probability0.21%

CISA KEVNot currently listed

Published2019-06-12

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.

Weakness classification

CWE-287: Improper Authentication
CWE-345: Insufficient Verification of Data Authenticity

Primary references

secalert@redhat.com — Third Party Advisory, VDB Entry
secalert@redhat.com — Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory