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CVE-2025-6920— Ai-inference-server: authentication bypass via unprotected inference endpoint in api

Quick assessment

Affected
Red Hat Red Hat AI Inference Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat AI Inference Server是美国红帽（Red Hat）公司的一款用于人工智能推理服务的服务器产品。 Red Hat AI Inference Server存在安全漏洞，该漏洞源于可以通过未受保护的推理端点绕过身份验证。

CVSS 5.3 · Medium EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-6920

Vulnerability Information
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Vulnerability Title
Ai-inference-server: authentication bypass via unprotected inference endpoint in api
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the authentication enforcement mechanism of a model inference API in ai-inference-server. All /v1/* endpoints are expected to enforce API key validation. However, the POST /invocations endpoint failed to do so, resulting in an authentication bypass. This vulnerability allows unauthorized users to access the same inference features available on protected endpoints, potentially exposing sensitive functionality or allowing unintended access to backend resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat AI Inference Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat AI Inference Server是美国红帽（Red Hat）公司的一款用于人工智能推理服务的服务器产品。 Red Hat AI Inference Server存在安全漏洞，该漏洞源于可以通过未受保护的推理端点绕过身份验证。
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
Red Hat Red Hat AI Inference Server - cpe:/a:redhat:ai_inference_server:3
Red Hat Red Hat AI Inference Server - cpe:/a:redhat:ai_inference_server:3

II. Public POCs for CVE-2025-6920

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III. Intelligence Information for CVE-2025-6920

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IV. Related Vulnerabilities

Same product: Red Hat AI Inference Server
Same vendor: Red Hat
Same weakness: CWE-306

V. Comments for CVE-2025-6920

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