CVE-2021-20195
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I. Basic Information for CVE-2021-20195
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
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 输入验证错误漏洞
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 存在输入验证错误漏洞，该漏洞源于没有正确编码用户提供的数据字段，并且使用Javascript代码处理数据。
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 | keycloak 13.0.0 | - |
II. Public POCs for CVE-2021-20195
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=1919143x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20195
Same Patch Batch · n/a · 2021-05-28 · 43 CVEs total
| CVE-2021-33620 | 6.5 MEDIUM | Squid 输入验证错误漏洞 |
| CVE-2021-20201 | spice 安全漏洞 | |
| CVE-2020-35506 | QEMU 资源管理错误漏洞 | |
| CVE-2020-35504 | QEMU 代码问题漏洞 | |
| CVE-2010-3843 | Ettercap 缓冲区错误漏洞 | |
| CVE-2020-27847 | Dex Idp Dex 安全漏洞 | |
| CVE-2020-25710 | OpenLDAP 安全漏洞 | |
| CVE-2021-3514 | 389-ds-base 代码问题漏洞 | |
| CVE-2021-33587 | css-what 安全漏洞 | |
| CVE-2021-33623 | trim-newlines 资源管理错误漏洞 | |
| CVE-2020-25715 | pki-core 跨站脚本漏洞 | |
| CVE-2020-35505 | QEMU 代码问题漏洞 | |
| CVE-2021-20236 | ZeroMQ 缓冲区错误漏洞 | |
| CVE-2021-20237 | ZeroMQ 资源管理错误漏洞 | |
| CVE-2021-20239 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2021-20240 | gdk-pixbuf 数字错误漏洞 | |
| CVE-2021-20278 | Kiali 授权问题漏洞 | |
| CVE-2021-20292 | Nouveau 资源管理错误漏洞 | |
| CVE-2021-27032 | Autodesk Licensing Services 访问控制错误漏洞 | |
| CVE-2021-21734 | ZTE PON MDU 加密问题漏洞 |
Showing top 20 of 43 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-2021-20195
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