CVE-2025-21403
On-Premises Data Gateway Information Disclosure Vulnerability
On-Premises Data Gateway Information Disclosure Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
On-Premises Data Gateway Information Disclosure Vulnerability
On-Premises Data Gateway Information Disclosure Vulnerability
- Record
CVE-2025-21403- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RC:C - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2025-2463
On-Premises Data Gateway Information Disclosure Vulnerability
- Record
EUVD-2025-2463- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p4q7-3j6p-6gv6
On-Premises Data Gateway Information Disclosure Vulnerability
On-Premises Data Gateway Information Disclosure Vulnerability
- Record
GHSA-p4q7-3j6p-6gv6- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
On-Premises Data Gateway Information Disclosure Vulnerability
- Record
CVE-2025-21403- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21403 is a medium vulnerability (CVSS 6.4) in Microsoft On-premises Data Gateway, published January 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.