Is CVE-2023-21713 in the CISA KEV catalog?

No. CVE-2023-21713 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-21713?

CVE-2023-21713 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-21713?

CVE-2023-21713 has an EPSS score of 1.75% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-21713?

Install KB5021123 for Microsoft SQL Server 2012 for 32-bit Systems Service Pack 4 (QFE). Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2023-21713

HIGHEPSS 75th pctl

8.8

CVSS v3

NVD

Description

Microsoft SQL Server Remote Code Execution Vulnerability

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

Microsoft SQL Server 2012 for 32-bit Systems Service Pack 4 (QFE)Microsoft

Install:KB5021123

Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)Microsoft

Install:KB5021123

Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (CU 4)Microsoft

Install:KB5021045Microsoft

Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (GDR)Microsoft

Install:KB5021037Microsoft

Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (CU 4)Microsoft

Install:KB5021045Microsoft

Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (GDR)Microsoft

Install:KB5021037Microsoft

Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Microsoft

Install:KB5021129Microsoft

Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature PackMicrosoft

Install:KB5021128Microsoft

Microsoft SQL Server 2017 for x64-based Systems (CU 31)Microsoft

Install:KB5021126Microsoft

Microsoft SQL Server 2017 for x64-based Systems (GDR)Microsoft

Install:KB5021127Microsoft

Microsoft SQL Server 2019 for x64-based Systems (CU 18)Microsoft

Install:KB5021124Microsoft

Microsoft SQL Server 2019 for x64-based Systems (GDR)Microsoft

Install:KB5021125Microsoft

Microsoft SQL Server 2022 for x64-based Systems (GDR)Microsoft

Install:KB5021522Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.75%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

Embed a live status badge for CVE-2023-21713

Markdown

[![CVE-2023-21713](https://tridentstack.com/cve/badge/CVE-2023-21713.svg)](https://tridentstack.com/cve/CVE-2023-21713)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-21713"><img src="https://tridentstack.com/cve/badge/CVE-2023-21713.svg" alt="CVE-2023-21713"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.