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CVE

CVE-2020-1161

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

HIGH · CVSS 7.5 EPSS 0.04127
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

3
microsoft asp.net coreall versions
microsoft visual studio 2017>= 15.1 and <= 15.9
microsoft visual studio 2019>= 16.0 and <= 16.5
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Affected Packages

9
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm64 HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-x64 HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.linux-x64 HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.osx-x64 HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.win-arm HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.win-x64 HIGH fixed in 3.1.4
NuGet Microsoft.AspNetCore.App.Runtime.win-x86 HIGH fixed in 3.1.4
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Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 May 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

3
msrcCVE-2020-1161Denial of Service
rhsaRHSA-2020:2250Important
rhsaRHSA-2020:2249Important
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1161PatchVendor Advisory
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