{"cve":"CVE-2018-8409","nvd":{"published":"2018-09-13T00:29:02.037","modified":"2026-06-17T02:04:48.210","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"references":["http://www.securityfocus.com/bid/105223","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8409","http://www.securityfocus.com/bid/105223","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8409"],"products":["microsoft:.net_core","microsoft:asp.net_core","microsoft:system.io.pipelines"],"source":"nvd","synced_at":"2026-10-19T20:53:14.491561039+00:00"},"epss":{"cve":"CVE-2018-8409","score":0.06558,"percentile":0.93814,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}