CVE-2023-38180

Name: CVE-2023-38180
Creator: NVD / NIST
Published: 2023-08-08T19:15:10.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10Actively ExploitedEPSS 15.52%

Last modified Jun 17, 2026

CVE-2023-38180 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. .NET and Visual Studio Denial of Service Vulnerability. CISA has confirmed active exploitation in the wild. EPSS estimates a 15.52% chance of exploitation in the next 30 days.

Description

.NET and Visual Studio Denial of Service Vulnerability

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

15.52%

96.4th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Aug 30, 2023.

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Microsoft	.Net	>= 6.0.0, < 6.0.21
Microsoft	.Net	>= 7.0.0, < 7.0.10
Microsoft	Asp.Net Core	>= 2.1, < 2.1.40
Microsoft	Visual Studio 2022	>= 17.2.0, < 17.2.18
Microsoft	Visual Studio 2022	>= 17.4.0, < 17.4.10
Microsoft	Visual Studio 2022	>= 17.6.0, < 17.6.6
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38180Patch, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CL2L4WE5QRT7WEXANYXSKSU43APC5N2V/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NWVZFKTLNMNKPZ755EMRYIA6GHFOWGKY/Mailing List
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38180Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38180US Government Resource

Timeline

Published: Aug 8, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-38180?

.NET and Visual Studio Denial of Service Vulnerability

How severe is CVE-2023-38180?

CVE-2023-38180 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 15.52% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2023-38180?

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-2023-38180?

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

Scan your code now

Source: NVD / NIST