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CVE-2025-21403— On-Premises Data Gateway Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft On-Premises Data Gateway
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.

Microsoft Azure是美国微软（Microsoft）公司的一套开放的企业级云计算平台。 Microsoft Azure Gateway Manager存在安全漏洞。攻击者利用该漏洞可以获取敏感信息。

CVSS 6.4 · Medium EPSS 0.60% · P48

Possible ATT&CK Techniques 1 AI

T1115 · Clipboard Data

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft On-Premises Data Gateway 1.0.0< 3000.246 affected
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I. Basic Information for CVE-2025-21403

Vulnerability Information
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Vulnerability Title
On-Premises Data Gateway Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
On-Premises Data Gateway Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure是美国微软（Microsoft）公司的一套开放的企业级云计算平台。 Microsoft Azure Gateway Manager存在安全漏洞。攻击者利用该漏洞可以获取敏感信息。
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
Microsoft On-Premises Data Gateway 1.0.0 ~ 3000.246 -

II. Public POCs for CVE-2025-21403

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III. Intelligence Information for CVE-2025-21403

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Vendor Advisories for CVE-2025-21403 (1)

Same Patch Batch · Microsoft · 2025-01-14 · 157 CVEs total

CVE-2025-21298 9.8 CRITICAL Windows OLE Remote Code Execution Vulnerability
CVE-2025-21311 9.8 CRITICAL Windows NTLM V1 Elevation of Privilege Vulnerability
CVE-2025-21307 9.8 CRITICAL Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2025-21292 8.8 HIGH Windows Search Service Elevation of Privilege Vulnerability
CVE-2025-21266 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21282 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21293 8.8 HIGH Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2025-21291 8.8 HIGH Windows Direct Show Remote Code Execution Vulnerability
CVE-2025-21302 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21303 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21306 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21176 8.8 HIGH .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
CVE-2025-21178 8.8 HIGH Visual Studio Remote Code Execution Vulnerability
CVE-2025-21273 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21223 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21240 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21238 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21417 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21245 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21409 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability

Showing top 20 of 157 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-863

V. Comments for CVE-2025-21403

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