ASP.NET Core allow an elevation of privilege

HIGH 8.8CVE-2018-0787 · GHSA-365p-96qv-xr7g · Published 14/03/2018 · updated 17/06/2026

In short

CVE-2018-0787 is a HIGH (CVSS 8.8) vulnerability affecting Microsoft.AspNetCore.HttpOverrides, Microsoft.AspNetCore.Server.Kestrel.Core, asp.net core (microsoft).
Chance of exploitation in the next 30 days (EPSS): 9.6%, higher than 95.5% of all vulnerabilities.
Fix: update to 2.0.2 or later.

Package	Affected versions	Patched versions
Microsoft.AspNetCore.HttpOverrides NuGet	`≥ 2.0.0, < 2.0.2`	`2.0.2`
Microsoft.AspNetCore.Server.Kestrel.Core NuGet	`≥ 2.0.0, < 2.0.2`	`2.0.2`
asp.net core microsoft	`= 1.0= 1.1= 2.0`	No fix yet

Description

ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how web applications that are created from templates validate web requests, aka "ASP.NET Core Elevation Of Privilege Vulnerability".

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2018-0787 · ADVISORY
aspnet/Announcements · WEB
GitHub Advisory GHSA-365p-96qv-xr7g · ADVISORY
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0787 · WEB
securityfocus.com/bid/103282 · WEB
securitytracker.com/id/1040525 · WEB

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