CVE-2021-20222
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I. Basic Information for CVE-2021-20222
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in keycloak. The new account console in keycloak can allow malicious code to be executed using the referrer URL. 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 跨站脚本漏洞
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 存在跨站脚本漏洞，该漏洞源于新帐户控制台可以允许恶意代码使用引用URL执行。
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-2021-20222
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-20222 (1)
- https://bugzilla.redhat.com/show_bug.cgi?id=1924606x_refsource_MISC
Same Patch Batch · n/a · 2021-03-23 · 39 CVEs total
| CVE-2021-29068 | 9.9 CRITICAL | Netgear NETGEAR 缓冲区错误漏洞 |
| CVE-2021-29066 | 9.6 CRITICAL | Netgear NETGEAR 授权问题漏洞 |
| CVE-2021-29067 | 9.6 CRITICAL | Netgear NETGEAR 授权问题漏洞 |
| CVE-2021-29065 | 9.6 CRITICAL | Netgear NETGEAR RBR850 授权问题漏洞 |
| CVE-2021-29071 | 9.6 CRITICAL | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29076 | 9.6 CRITICAL | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29077 | 9.6 CRITICAL | 多款Netgear产品命令注入漏洞 |
| CVE-2021-29078 | 9.6 CRITICAL | 多款Netgear产品命令注入漏洞 |
| CVE-2021-29079 | 9.6 CRITICAL | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29082 | 9.6 CRITICAL | 多款Netgear产品信息泄露漏洞 |
| CVE-2021-29075 | 8.4 HIGH | 多款Netgear产品缓冲区错误漏洞 |
| CVE-2021-29074 | 8.4 HIGH | NETGEAR 多款产品缓冲区错误漏洞 |
| CVE-2021-29072 | 8.4 HIGH | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29070 | 8.4 HIGH | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29081 | 8.4 HIGH | 多款Netgear产品缓冲区错误漏洞 |
| CVE-2021-29080 | 8.1 HIGH | Netgear NETGEAR 授权问题漏洞 |
| CVE-2021-29073 | 7.6 HIGH | Netgear NETGEAR 缓冲区错误漏洞 |
| CVE-2020-28503 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-29069 | 7.3 HIGH | 多款Netgear产品命令注入漏洞 |
| CVE-2021-23362 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
Showing top 20 of 39 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 weakness: CWE-20
- CVE-2026-45137
Anchor: Program<'info, System> is not properly validated - CVE-2026-42553
Cinny: Access token disclosure via invalidated emoji pack av - CVE-2026-5509
Arbitrary Command Injection via Browser Developer Console in - CVE-2026-42459
free5GC: Improper Input Validation and Generation of Error M - CVE-2026-44319
free5GC: NEF crashes via logger.Fatal on PFD notification de
V. Comments for CVE-2021-20222
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