CVE DATABASE / CVE-2023-38180
CVE-2023-38180
Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
CVSS 7.5 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2023-08-09.
Federal remediation due 2023-08-30.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Summary
.NET and Visual Studio Denial of Service Vulnerability
CVSS 3.1 breakdown
| Base score | 7.5 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity | NONE |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft .netMicrosoft asp.net coreMicrosoft visual studio 2022Fedoraproject fedora
Check this CVE live
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38180
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CL2L4WE5QRT7WEXANYXSKSU43APC5N2V/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NWVZFKTLNMNKPZ755EMRYIA6GHFOWGKY/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38180
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-28. Always verify against the vendor advisory before acting.