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CVE-2023-47111— ZITADEL race condition in lockout policy execution

Quick assessment

Affected
zitadel zitadel
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.

ZITADEL是瑞士ZITADEL开源的一个 Auth0、Firebase Auth、AWS Cognito 以及为容器和无服务器时代构建的 Keycloak 的现代开源替代方案。 ZITADEL 2.40.5之前、2.38.3之前版本存在竞争条件问题漏洞，该漏洞源于攻击者有可能启动多个并行密码检查，从而使他有可能尝试比锁定策略中配置的组合更多的组合。

CVSS 7.3 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1110.004 · Credential Stuffing
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I. Basic Information for CVE-2023-47111

Vulnerability Information
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Vulnerability Title
ZITADEL race condition in lockout policy execution
Source: CVE Program / CVE List V5
Vulnerability Description
ZITADEL provides identity infrastructure. ZITADEL provides administrators the possibility to define a `Lockout Policy` with a maximum amount of failed password check attempts. On every failed password check, the amount of failed checks is compared against the configured maximum. Exceeding the limit, will lock the user and prevent further authentication. In the affected implementation it was possible for an attacker to start multiple parallel password checks, giving him the possibility to try out more combinations than configured in the `Lockout Policy`. This vulnerability has been patched in versions 2.40.5 and 2.38.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Vulnerability Title
ZITADEL 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZITADEL是瑞士ZITADEL开源的一个 Auth0、Firebase Auth、AWS Cognito 以及为容器和无服务器时代构建的 Keycloak 的现代开源替代方案。 ZITADEL 2.40.5之前、2.38.3之前版本存在竞争条件问题漏洞，该漏洞源于攻击者有可能启动多个并行密码检查，从而使他有可能尝试比锁定策略中配置的组合更多的组合。
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
zitadel zitadel >= 2.39.0, < 2.40.5 -

II. Public POCs for CVE-2023-47111

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8553 chars
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III. Intelligence Information for CVE-2023-47111

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Patches & Fixes for CVE-2023-47111 (1)

Vendor Advisories for CVE-2023-47111 (1)

Other References for CVE-2023-47111 (2)

IV. Related Vulnerabilities

Same product: zitadel
Same vendor: zitadel
Same weakness: CWE-362

V. Comments for CVE-2023-47111

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