CVE-2023-38180 (GCVE-0-2023-38180)
Vulnerability from cvelistv5 – Published: 2023-08-08 18:52 – Updated: 2026-08-10 15:12Title
.NET and Visual Studio Denial of Service Vulnerability
Summary
.NET and Visual Studio Denial of Service Vulnerability
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-24 20:42 UTC
CWE
- Denial of Service
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
| https://lists.fedoraproject.org/archives/list/pac… | x_transferred |
| https://lists.fedoraproject.org/archives/list/pac… | x_transferred |
Impacted products
6 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Microsoft | .NET 6.0 |
Affected:
6.0.0 , < 6.0.21
(custom)
|
guessed | |
| Microsoft | .NET 7.0 |
Affected:
7.0.0 , < 7.0.10
(custom)
|
guessed | |
| Microsoft | ASP.NET Core 2.1 |
Affected:
2.0 , < 2.1.40
(custom)
|
guessed | |
| Microsoft | Microsoft Visual Studio 2022 version 17.2 |
Affected:
17.2.0 , < 17.2.18
(custom)
|
guessed | |
| Microsoft | Microsoft Visual Studio 2022 version 17.4 |
Affected:
17.4.0 , < 17.4.10
(custom)
|
guessed | |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 |
Affected:
17.6.0 , < 17.6.6
(custom)
|
guessed |
Date Public
2023-08-08 07:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5aaed536-280e-4079-a3df-9e01fb7c1e06
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
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f0ba59a0-9372-413b-8046-99dc7e3194a2
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: 2026-06-23 14:05 UTC
| Updated: 2026-07-10 06:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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