CVE-2020-1744
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I. Basic Information for CVE-2020-1744
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector does not handle this events.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
对异常条件的处理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Keycloak 信息泄露漏洞
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 9.0.1之前版本中存在信息泄露漏洞，该漏洞源于程序无法将登录失败的情况发送到BruteForceProtector。远程攻击者可利用该漏洞实施暴力破解攻击。
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)
Affected Products
II. Public POCs for CVE-2020-1744
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Same Patch Batch · Red Hat · 2020-03-24 · 3 CVEs total
| CVE-2020-1747 | 9.8 CRITICAL | PyYAML 输入验证错误漏洞 |
| CVE-2020-10684 | 7.9 HIGH | Ansible Engine 代码注入漏洞 |
IV. Related Vulnerabilities
Same product: keycloak
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Keycloak-server: debug default bind address - CVE-2025-12390
Org.keycloak.protocol.oidc.endpoints.logoutendpoint: offline - CVE-2025-10939
Org.keycloak/keycloak-quarkus-server: unable to restrict acc
Same vendor: Red Hat
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Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
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Same weakness: CWE-755
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V. Comments for CVE-2020-1744
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