What is the CVSS score of CVE-2024-0056?

CVE-2024-0056 has a CVSS 3.1 base score of 8.7 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N. EPSS exploitation probability: 0.9%.

Which versions of Microsoft Data Sqlclient are affected by CVE-2024-0056?

CVE-2024-0056 presents significant security risk rated CVSS 8.7. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems.. A patch is available.

How to fix or mitigate CVE-2024-0056?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Microsoft Data Sqlclient CVE-2024-0056

HIGH

Cleartext Transmission of Sensitive Information (CWE-319)

2024-01-09 secure@microsoft.com

Microsoft Authentication Bypass Microsoft Data Sqlclient Sql Server System Data Sqlclient Visual Studio 2022 Net Framework Net

8.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.7 HIGH

AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

Patch released

Mar 28, 2026 - 19:34 nvd

Patch available

CVE Published

Jan 09, 2024 - 18:15 nvd

HIGH 8.7

DescriptionCVE.org

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability

AnalysisAI

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required.

Technical ContextAI

This vulnerability is classified under CWE-319. Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability Affected products include: Microsoft Microsoft.Data.Sqlclient, Microsoft Sql Server, Microsoft System.Data.Sqlclient, Microsoft Visual Studio 2022, Microsoft .Net Framework.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.