CVE-2020-1727

MEDIUM

Keycloak < 9.0.2 - Improper Input Validation in Authorization URL

Title source: llm
STIX 2.1

Description

A vulnerability was found in Keycloak before 9.0.2, where every Authorization URL that points to an IDP server lacks proper input validation as it allows a wide range of characters. This flaw allows a malicious to craft deep links that introduce further attack scenarios on affected clients.

References (1)

Core 1
Core References
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1727

Scores

CVSS v3 6.4
EPSS 0.0018
EPSS Percentile 39.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Details

CWE
CWE-20
Status published
Products (1)
redhat/keycloak < 9.0.2
Published Jun 22, 2020
Tracked Since Feb 18, 2026