CVE-2023-23384Network attack vector

Unauthenticated code execution via undisclosed network flaw

Published Apr 11, 2023 · Updated Jan 23, 2025

Remote code execution in Microsoft SQL Server 2008 through 2022 allows remote attackers to execute code via network requests. Microsoft has not published the affected component or the operation it performs incorrectly on untrusted input. No authentication or user interaction is required, and successful exploitation runs code in the SQL Server service context.

CVSS severity7.3
High
EPSS probability0.87%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Remote code execution in Microsoft SQL Server 2008 through 2022 allows remote attackers to execute code via network requests. Microsoft has not published the affected component or the operation it performs incorrectly on untrusted input. No authentication or user interaction is required, and successful exploitation runs code in the SQL Server service context.

The record

CVE
CVE-2023-23384
Published
Apr 11, 2023
Updated
Jan 23, 2025
Vendor
Microsoft
Product
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=13.0.0 <13.0.7024.30

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Packversion=13.0.0 <13.0.7024.30
Microsoft · Microsoft SQL Server 2008version=10.0.0 <10.0.6814.4
Microsoft · Microsoft SQL Server 2012version=11.0.0 <11.0.7512.11
Microsoft · Microsoft SQL Server 2022version=16.0.0 <16.0.1050.5
Microsoft · Microsoft SQL Server 2019version=15.0.0 <15.0.2101.7; version=15.0.0 <15.0.4280.7
Microsoft · Microsoft SQL Server 2017version=14.0.0 <14.0.2047.8; version=14.0.0 <14.0.3460.9
Microsoft · Microsoft SQL Server 2008 R2version=10.0.0 <10.50.6785.2
Microsoft · Microsoft SQL Server 2014version=12.0.0 <12.0.6174.8; version=12.0.0 <12.0.6444.4
Microsoft · Microsoft SQL Server 2016 Service Pack 3version=13.0.0 <13.0.6430.49

Published CVSS scores

7.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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