CVE-2019-14820

keycloak: adapter endpoints are exposed via arbitrary URLs

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.

Se descubrió que keycloak versiones anteriores la versión 8.0.0, expone los endpoints del adaptador interno en org.keycloak.constants.AdapterConstants, que pueden ser invocadas por medio de una URL especialmente diseñada. Esta vulnerabilidad podría permitir a un atacante acceder a información no autorizada.

It was found that keycloak exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.

Red Hat Single Sign-On 7.3 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.3.4 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.3.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include bypass and code execution vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-08-10 CVE Reserved
2019-10-14 CVE Published
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14820	2021-10-29

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2019-14820	2020-05-18
https://bugzilla.redhat.com/show_bug.cgi?id=1649870	2020-05-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Keycloak Search vendor "Redhat" for product "Keycloak"				< 8.0.0 Search vendor "Redhat" for product "Keycloak" and version " < 8.0.0"		-		Affected
Redhat Search vendor "Redhat"		Single Sign-on Search vendor "Redhat" for product "Single Sign-on"				7.3 Search vendor "Redhat" for product "Single Sign-on" and version "7.3"		-		Affected
Redhat Search vendor "Redhat"		Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform"				6.4.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "6.4.0"		-		Affected
Redhat Search vendor "Redhat"		Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform"				7.2.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.2.0"		-		Affected
Redhat Search vendor "Redhat"		Jboss Fuse Search vendor "Redhat" for product "Jboss Fuse"				7.0.0 Search vendor "Redhat" for product "Jboss Fuse" and version "7.0.0"		-		Affected