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2 vulnerabilities found for ASP.NET Core 2.3 by Microsoft
CVE-2025-55315 (GCVE-0-2025-55315)
Vulnerability from cvelistv5 – Published: 2025-10-14 17:00 – Updated: 2026-02-22 17:24
VLAI
Title
ASP.NET Security Feature Bypass Vulnerability
Summary
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.
Severity
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| https://gist.github.com/N3mes1s/d0897c13ca199e739… | exploit |
| https://andrewlock.net/understanding-the-worst-do… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | ASP.NET Core 2.3 |
Affected:
2.3 , < 2.3.6
(custom)
|
|
| Microsoft | ASP.NET Core 8.0 |
Affected:
8.0 , < 8.0.21
(custom)
|
|
| Microsoft | ASP.NET Core 9.0 |
Affected:
9.0 , < 9.0.10
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.10 |
Affected:
17.10.0 , < 17.10.20
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.12 |
Affected:
17.12.0 , < 17.12.13
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 |
Affected:
17.14.0 , < 17.14.17
(custom)
|
Date Public
2025-10-14 14:00
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CVE-2025-55315 (GCVE-0-2025-55315)
Vulnerability from nvd – Published: 2025-10-14 17:00 – Updated: 2026-02-22 17:24
VLAI
Title
ASP.NET Security Feature Bypass Vulnerability
Summary
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.
Severity
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| https://gist.github.com/N3mes1s/d0897c13ca199e739… | exploit |
| https://andrewlock.net/understanding-the-worst-do… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | ASP.NET Core 2.3 |
Affected:
2.3 , < 2.3.6
(custom)
|
|
| Microsoft | ASP.NET Core 8.0 |
Affected:
8.0 , < 8.0.21
(custom)
|
|
| Microsoft | ASP.NET Core 9.0 |
Affected:
9.0 , < 9.0.10
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.10 |
Affected:
17.10.0 , < 17.10.20
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.12 |
Affected:
17.12.0 , < 17.12.13
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 |
Affected:
17.14.0 , < 17.14.17
(custom)
|
Date Public
2025-10-14 14:00
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