Vulnerability · Published Jan 14, 2020 · Assigned by microsoft

CVE-2020-0603

High 8.8

In plain English

A high-severity security flaw in ASP.NET Core from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 22.6% (higher than 98% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)22.6%top 2.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka 'ASP.NET Core Remote Code Execution Vulnerability'.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
NuGetmicrosoft.aspnetcore.all2.1.15GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app3.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app3.0.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app2.1.15GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.linux-arm3.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.linux-arm643.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.linux-musl-arm643.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.linux-musl-x643.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.linux-x643.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.osx-x643.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.win-arm3.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.win-x643.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.app.runtime.win-x863.1.1GHSA-655q-9gvg-q4cm
NuGetmicrosoft.aspnetcore.http.connections1.0.15GHSA-655q-9gvg-q4cm

Affected products (as reported)

VendorProductVersions
Microsoft ASP.NET Core 2.13.03.1

References