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CVE-2019-0564
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka "ASP.NET Core Denial of Service…
- 7.5HighCVSS base score
- 8.4%Exploitation in 30 daysEPSS · top 5.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka "ASP.NET Core Denial of Service Vulnerability." This affects ASP.NET Core 2.1. This CVE ID is unique from CVE-2019-0548.
Timeline
ID reserved
By microsoft
- 43 days later
· 43 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 8.4% · top 5.0% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected 2.1
Affected packages
Affected packages6
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.AspNetCore.AllGHSA-6px8-22w5-w334 (opens in a new tab)
- NuGetMicrosoft.AspNetCore.AppGHSA-6px8-22w5-w334 (opens in a new tab)
- NuGetMicrosoft.AspNetCore.Server.Kestrel.CoreGHSA-6px8-22w5-w334 (opens in a new tab)
- NuGetMicrosoft.AspNetCore.WebSocketsGHSA-6px8-22w5-w334 (opens in a new tab)
- NuGetMicrosoft.NETCore.AppGHSA-6px8-22w5-w334 (opens in a new tab)
- NuGetSystem.Net.WebSockets.WebSocketProtocolGHSA-6px8-22w5-w334 (opens in a new tab)
References
References3
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0564 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 106413 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2019:0040 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-2841 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-6px8-22w5-w334 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-0564)Record last updated .