CVE-2018-8409
HIGHCVSS 7.5/10EPSS 6.56%
Last modified
CVE-2018-8409 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." This affects .NET Core 2.1, System.IO.Pipelines, ASP.NET Core 2.1.. EPSS estimates a 6.56% chance of exploitation in the next 30 days.
Description
A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." This affects .NET Core 2.1, System.IO.Pipelines, ASP.NET Core 2.1.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net Core | >= 2.1, < 2.1.4 |
| Microsoft | Asp.Net Core | >= 2.1, < 2.1.4 |
| Microsoft | System.Io.Pipelines | 4.5.0 |
References
- http://www.securityfocus.com/bid/105223Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8409Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105223Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8409Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-8409?
A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." This affects .NET Core 2.1, System.IO.Pipelines, ASP.NET Core 2.1.
How severe is CVE-2018-8409?
CVE-2018-8409 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 6.56% probability of exploitation in the next 30 days.
How do I fix CVE-2018-8409?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2018-8409?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST