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CVE

CVE-2020-0603

A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memor

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'.

HIGH · CVSS 8.8 EPSS 0.10785
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
microsoft asp.net coreall versions
redhat enterprise linuxall versions
redhat enterprise linux eusall versions
▤

Affected Packages

12
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.All HIGH fixed in 2.1.15
NuGet Microsoft.AspNetCore.App HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm64 HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-x64 HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.linux-x64 HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.osx-x64 HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.win-arm HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.win-x64 HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.App.Runtime.win-x86 HIGH fixed in 3.1.1
NuGet Microsoft.AspNetCore.Http.Connections HIGH fixed in 1.0.15
▣

Scoring & Timeline

8.8
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 NVD14 Jan 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
msrcCVE-2020-0603Remote Code Execution
rhsaRHSA-2020:0134Important
rhsaRHSA-2020:0130Important
🔗

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-2020-0603PatchVendor Advisory
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