CVE-2021-3754
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I. Basic Information for CVE-2021-3754
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in keycloak where an attacker is able to register himself with the username same as the email ID of any existing user. This may cause trouble in getting password recovery email in case the user forgets the password.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
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 存在安全漏洞，该漏洞源于攻击者可以用与任何现有用户的电子邮件ID相同的用户名注册。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | keycloak | Not-Known | - |
II. Public POCs for CVE-2021-3754
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Vulnerability details and exploit for CVE-2021-3754 | https://github.com/7Ragnarok7/CVE-2021-3754 | POC Details |
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-3754
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- https://access.redhat.com/security/cve/CVE-2021-3754x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1999196x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3754
Same Patch Batch · n/a · 2022-08-26 · 53 CVEs total
| CVE-2021-4216 | Artifex Software MuPDF 数字错误漏洞 | |
| CVE-2022-36548 | Edoc-doctor-appointment-system 跨站脚本漏洞 | |
| CVE-2022-36547 | Edoc-doctor-appointment-system 跨站脚本漏洞 | |
| CVE-2022-36542 | Edoc-doctor-appointment-system 安全漏洞 | |
| CVE-2022-36545 | Edoc-doctor-appointment-system SQL注入漏洞 | |
| CVE-2022-36544 | Edoc-doctor-appointment-system SQL注入漏洞 | |
| CVE-2022-36543 | Edoc-doctor-appointment-system SQL注入漏洞 | |
| CVE-2022-36546 | Edoc-doctor-appointment-system 跨站请求伪造漏洞 | |
| CVE-2022-0084 | Red Hat Data Grid 安全漏洞 | |
| CVE-2022-25625 | Broadcom Symantec Privileged Access Management 安全漏洞 | |
| CVE-2022-0168 | Linux kernel 代码问题漏洞 | |
| CVE-2021-3414 | Red Hat Satellite 安全漏洞 | |
| CVE-2021-3632 | Red Hat Single Sign-On 授权问题漏洞 | |
| CVE-2021-3585 | openstack-tripleo-heat-templates 安全漏洞 | |
| CVE-2021-3563 | Red Hat OpenStack Platform 安全漏洞 | |
| CVE-2021-3735 | QEMU 安全漏洞 | |
| CVE-2021-3703 | Red Hat OpenShift 安全漏洞 | |
| CVE-2021-3688 | Red Hat JBoss Core Services 信息泄露漏洞 | |
| CVE-2021-3669 | Linux kernel资源管理错误漏洞 | |
| CVE-2021-3644 | Red Hat Wildfly 访问控制错误漏洞 |
Showing top 20 of 53 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: keycloak
- CVE-2025-12150
Org.keycloak/keycloak-services: webauthn attestation stateme - CVE-2025-13467
Org.keycloak.storage.ldap: keycloak: deserialization of untr - CVE-2025-11538
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: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-20
V. Comments for CVE-2021-3754
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