ReviewHigh

CVE-2023-21704

Microsoft Microsoft SQL Server 2014 Service Pack 3 (CU 4), Microsoft SQL Server 2014 Service Pack 3 (GDR), Microsoft SQL Server 2016 Service Pack 3 (GDR)

CVE-2023-21704 affects Microsoft Microsoft SQL Server 2014 Service Pack 3 (CU 4), Microsoft SQL Server 2014 Service Pack 3 (GDR), Microsoft SQL Server 2016 Service Pack 3 (GDR). Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 7.8
EPSS: 0.39%
CISA KEV: Not listed
Published: 2023.02.15

PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.39%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Microsoft Microsoft SQL Server 2014 Service Pack 3 (CU 4), Microsoft SQL Server 2014 Service Pack 3 (GDR), Microsoft SQL Server 2016 Service Pack 3 (GDR)
Affected versions: >= 12.0.0 < 12.0.6174.8, >= 12.0.0 < 12.0.6444.4, >= 13.0.0 < 13.0.6430.49, >= 13.0.0 < 13.0.7024.30, >= 14.0.0 < 14.0.3460.9, >= 14.0.0 < 14.0.2047.8, >= 15.0.0 < 15.0.4280.7, >= 15.0.0 < 15.0.2101.7, >= 16.0.0 < 16.0.1050.5, 2014, 2016, 2017, 2019, 2022
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Microsoft Microsoft SQL Server 2014 Service Pack 3 (CU 4), Microsoft SQL Server 2014 Service Pack 3 (GDR), Microsoft SQL Server 2016 Service Pack 3 (GDR) and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-190