CVE-2023-38180
.NET and Visual Studio Denial of Service Vulnerability
- High 7.5
- Exploited: added to CISA KEV 9 Aug 2023
Description
.NET and Visual Studio Denial of Service Vulnerability
Key facts
- Published
- 8 Aug 2023
- Last changed
- 10 Aug 2026
- Assigned by
- microsoft
- KEV added
- 9 Aug 2023
- KEV fix due
- 30 Aug 2023
- EPSS
- 14.127% likely to be exploited in the next 30 days, higher than 96.63% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: partial
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.5CVSS 3.1, Highfrom the CNA (microsoft)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .NET 6.0 |
|
| Microsoft | .NET 7.0 |
|
| Microsoft | ASP.NET Core 2.1 |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.2 |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.4 |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.6 |
|
Timeline
- 8 Aug 2023 Published
- 9 Aug 2023 CVE-2023-38180 added to CISA KEV
- 9 Aug 2023 Added to the CISA KEV catalogue