Improper input validation in [Unknown] Keycloak
CVE-2020-1727
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- [Unknown] Keycloak — versions Versions before 9.0.2
- Redhat Keycloak
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1727?
- CVE-2020-1727 is a medium-severity vulnerability in [Unknown] Keycloak, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2020-06-22.
- How severe is CVE-2020-1727?
- Medium severity. CVSS v3 base score is 6.4 out of 10.