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CVE-2025-64513— Milvus Proxy has Critical Authentication Bypass Vulnerability

Quick assessment

Affected
milvus-io milvus
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.

milvus是The Milvus Project开源的一个高性能的云原生矢量数据库。 Milvus 2.4.24之前版本、2.5.21之前版本和2.6.5之前版本存在授权问题漏洞，该漏洞源于Milvus Proxy组件中存在认证机制绕过问题，可能导致攻击者获得完全管理权限。

AI Predicted 10.0 Difficulty: Easy EPSS 1.05% · P62

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2025-64513

Vulnerability Information
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Vulnerability Title
Milvus Proxy has Critical Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Milvus is an open-source vector database built for generative AI applications. An unauthenticated attacker can exploit a vulnerability in versions prior to 2.4.24, 2.5.21, and 2.6.5 to bypass all authentication mechanisms in the Milvus Proxy component, gaining full administrative access to the Milvus cluster. This grants the attacker the ability to read, modify, or delete data, and to perform privileged administrative operations such as database or collection management. This issue has been fixed in Milvus 2.4.24, 2.5.21, and 2.6.5. If immediate upgrade is not possible, a temporary mitigation can be applied by removing the sourceID header from all incoming requests at the gateway, API gateway, or load balancer level before they reach the Milvus Proxy. This prevents attackers from exploiting the authentication bypass behavior.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
milvus 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
milvus是The Milvus Project开源的一个高性能的云原生矢量数据库。 Milvus 2.4.24之前版本、2.5.21之前版本和2.6.5之前版本存在授权问题漏洞，该漏洞源于Milvus Proxy组件中存在认证机制绕过问题，可能导致攻击者获得完全管理权限。
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
milvus-io milvus < 2.4.24 -

II. Public POCs for CVE-2025-64513

# POC Description Source Link Shenlong Link
1 CVE-2025-64513 https://github.com/B1ack4sh/Blackash-CVE-2025-64513 POC Details
2 PoC for CVE-2025-64513 — Milvus Proxy Authentication Bypass Vulnerability Batch scanner to verify unauthorized access and gather Milvus version, health, and database info. For security research and defensive validation only. https://github.com/shinyseam/CVE-2025-64513 POC Details
3 CVE-2025-64513 https://github.com/Ashwesker/Blackash-CVE-2025-64513 POC Details
4 CVE-2025-64513 https://github.com/Ashwesker/Ashwesker-CVE-2025-64513 POC Details
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III. Intelligence Information for CVE-2025-64513

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IV. Related Vulnerabilities

Same product: milvus
Same vendor: milvus-io
Same weakness: CWE-287

V. Comments for CVE-2025-64513

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