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CVE-2024-3656— Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities

Quick assessment

Affected
CVE-2024-3656
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak 24.0.5之前版本存在安全漏洞，该漏洞源于攻击者可以绕过相关限制，通过Admin REST API端点来提升权限。

CVSS 8.1 · High EPSS 2.86% · P86

Public Exploits 1

Nuclei · 1 CVE-2024-3656.yaml [template]

Possible ATT&CK Techniques 1 AI

T1136.003 · Cloud Account

Affected Version Matrix 6

VendorProduct Version RangeStatus
None None < 24.0.5 affected
Red Hat Red Hat Build of Keycloak any unaffected
any affected
Red Hat Red Hat JBoss Enterprise Application Platform 8 any unaffected
Red Hat Red Hat Single Sign-On 7 any unaffected
any affected

I. Basic Information for CVE-2024-3656

Vulnerability Information
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Vulnerability Title
Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Keycloak 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak 24.0.5之前版本存在安全漏洞，该漏洞源于攻击者可以绕过相关限制，通过Admin REST API端点来提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 0 ~ 24.0.5 -
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:24
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7.6
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:
Red Hat Red Hat JBoss Enterprise Application Platform 8 - cpe:/a:redhat:jboss_enterprise_application_platform:8
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7

II. Public POCs for CVE-2024-3656

# POC Description Source Link Shenlong Link
1 Keycloak admin API allows low privilege users to use administrative functions https://github.com/h4x0r-dz/CVE-2024-3656 POC Details
2 A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-3656.yaml POC Details
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III. Intelligence Information for CVE-2024-3656

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Vendor Advisories for CVE-2024-3656 (4)

IV. Related Vulnerabilities

Same weakness: CWE-200

V. Comments for CVE-2024-3656

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