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CVE-2023-21718

Microsoft Microsoft SQL Server 2008 R2 Service Pack 3 (QFE), Microsoft SQL Server 2008 Service Pack 4 (QFE), Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)

CVE-2023-21718 affects Microsoft Microsoft SQL Server 2008 R2 Service Pack 3 (QFE), Microsoft SQL Server 2008 Service Pack 4 (QFE), Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE). Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS
7.8
EPSS
0.74%
52.2% percentile
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 probability0.74%
Technical severityCVSS 7.8

Vulnerability overview

CVE-2023-21718 affects Microsoft Microsoft SQL Server 2008 R2 Service Pack 3 (QFE), Microsoft SQL Server 2008 Service Pack 4 (QFE), Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE). Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

Affected product and versions

Product
Microsoft Microsoft SQL Server 2008 R2 Service Pack 3 (QFE), Microsoft SQL Server 2008 Service Pack 4 (QFE), Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)
Affected versions
>= 10.0.0 < 10.50.6785.2, >= 10.0.0 < 10.0.6814.4, >= 11.0.0 < 11.0.7512.11, >= 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, 2008, 2008 r2, 2012, 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. 1
    Identify

    Confirm that Microsoft Microsoft SQL Server 2008 R2 Service Pack 3 (QFE), Microsoft SQL Server 2008 Service Pack 4 (QFE), Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE) and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-191