CVE-2023-21705

Name: CVE-2023-21705
Creator: NVD / NIST
Published: 2023-02-14T20:15:13.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2023-21705 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Microsoft SQL Server Remote Code Execution Vulnerability. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

Microsoft SQL Server Remote Code Execution Vulnerability

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-321

Affected Software

Vendor	Product	Versions	Update
Microsoft	Sql Server	2012	Sp4
Microsoft	Sql Server	2014	Sp3
Microsoft	Sql Server	2016	Sp3
Microsoft	Sql Server	2017	—
Microsoft	Sql Server	2019	—
Microsoft	Sql Server	2022	—

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21705Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21705Patch, Vendor Advisory

Timeline

Published: Feb 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21705?

Microsoft SQL Server Remote Code Execution Vulnerability

How severe is CVE-2023-21705?

CVE-2023-21705 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21705?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21705?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST