CVE-2025-21403 MEDIUM

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

Vendor Microsoft
Product On-Premises Data Gateway
Weakness CWE-863 · Incorrect authorization
Published January 14, 2025
Last update June 9, 2026

CVSS base score

6.4/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RC:C

What the vulnerability does

01Description

On-Premises Data Gateway Information Disclosure Vulnerability

Key dates

02Disclosure timeline

January 14, 2025 CVE published
June 9, 2026 Record updated