CVE-2020-1697

keycloak: stored XSS in client settings via application links

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other realms, and possibly conduct further attacks.

Se encontró en todas las versiones de keycloak anteriores a 9.0.0 que los enlaces de aplicaciones externas (Application Links) en la consola de administración no están validados apropiadamente y podrían permitir ataques de tipo XSS almacenado. Un usuario malicioso autorizado podría crear una URL para engañar a los usuarios en otras esferas y posiblemente conducir nuevos ataques.

A flaw was found during the assessment of the Admin Console application for Keycloak, where it was found that Application Links to external applications are not validated properly. An attacker could use this flaw to cause Stored XSS attacks.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-27 CVE Reserved
2020-02-10 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (3)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1697	Issue Tracking

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2020-1697	2020-07-23
https://bugzilla.redhat.com/show_bug.cgi?id=1791538	2020-07-23

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"				< 9.0.0 Search vendor "Redhat" for product "Keycloak" and version " < 9.0.0"		-		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