Vulnerability Details : CVE-2020-1723
A flaw was found in Keycloak Gatekeeper (Louketo). The logout endpoint can be abused to redirect logged-in users to arbitrary web pages. Affected versions of Keycloak Gatekeeper (Louketo): 6.0.1, 7.0.0
Vulnerability category: Open redirect
Exploit prediction scoring system (EPSS) score for CVE-2020-1723
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 35 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-1723
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
nvd@nist.gov |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
nvd@nist.gov |
CWE ids for CVE-2020-1723
-
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2020-1723
-
https://bugzilla.redhat.com/show_bug.cgi?id=1770276
1770276 – (CVE-2020-1723) CVE-2020-1723 keycloak: logout endpoint /oauth/logout?redirect=url can be abused to redirect logged in users to arbitrary web pagesIssue Tracking;Vendor Advisory
-
https://issues.redhat.com/browse/KEYCLOAK-11318
[KEYCLOAK-11318] [keycloak-gatekeeper] Open redirector in /oauth/logout endpoint - Red Hat Issue TrackerIssue Tracking;Vendor Advisory
Products affected by CVE-2020-1723
- cpe:2.3:a:redhat:mobile_application_platform:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:keycloak_gatekeeper_project:keycloak_gatekeeper:6.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:keycloak_gatekeeper_project:keycloak_gatekeeper:7.0.0:*:*:*:*:*:*:*