CVE-2023-38180 (GCVE-0-2023-38180)

Vulnerability from cvelistv5 – Published: 2023-08-08 18:52 – Updated: 2025-10-21 23:05
VLAI CISA KEV KEVintel KEV
Title
.NET and Visual Studio Denial of Service Vulnerability
Summary
.NET and Visual Studio Denial of Service Vulnerability
Severity
7.5 (High)
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
SSVC
Exploitation: active Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • Denial of Service
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Date Public
2023-08-08 07:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5aaed536-280e-4079-a3df-9e01fb7c1e06

Vulnerability ID: CVE-2023-38180

Status: Confirmed

Status Updated: 2023-08-09 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-08-09
Asserted: 2023-08-09
Scope
Notes: KEV entry: Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability | Affected: Microsoft / .NET Core and Visual Studio | Description: Microsoft .NET Core and Visual Studio contain an unspecified vulnerability that allows for denial-of-service (DoS). | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-08-30 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-38180; https://nvd.nist.gov/vuln/detail/CVE-2023-38180
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes
Feed CISA Known Exploited Vulnerabilities Catalog
Product .NET Core and Visual Studio
Due Date 2023-08-30
Date Added 2023-08-09
Vendorproject Microsoft
Vulnerabilityname Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
KEVintel KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 50e5f45d-e9eb-4d82-ab6b-440046ae873b

Vulnerability ID: CVE-2023-38180

Status: Confirmed

Status Updated: 2023-08-09 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-08-09
Asserted: 2023-08-09
Scope
Notes: KEVIntel entry: .NET and Visual Studio Denial of Service Vulnerability | Affected: Microsoft / ASP.NET Core 2.1, .NET 6.0, .NET 7.0, Microsoft Visual Studio 2022 version 17.2, Microsoft Visual Studio 2022 version 17.4, Microsoft Visual Studio 2022 version 17.6 | CVSS: 7.5 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title .NET and Visual Studio Denial of Service Vulnerability
Vendor Microsoft
Product ASP.NET Core 2.1, .NET 6.0, .NET 7.0, Microsoft Visual Studio 2022 version 17.2, Microsoft Visual Studio 2022 version 17.4, Microsoft Visual Studio 2022 version 17.6
Added Date 2023-08-09T00:00:00.000Z
Cvss Score 7.5
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-19 12:46 UTC | Updated: 2026-06-19 12:46 UTC
Show details on NVD website
To clipboard 

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}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.