System.Net.Http Known Vulnerabilities & Fixes
System.Net.Http has 3 known security vulnerabilities in NuGet (.NET). Upgrade to version 4.3.2 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 4.3.2
Upgrading to 4.3.2 or later resolves all 3 known vulnerabilities in System.Net.Http. Run: dotnet add package System.Net.Http --version 4.3.2
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Security Summary
- 6 affected version ranges have been identified across these 3 advisories.
- 100% of known issues have a published fixed version.
- Remediation: dotnet add package System.Net.Http
Vulnerabilities
3 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details.
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2017-0247 ASP.NET Core fails to properly validate web requests | HIGH | 4.1.1, 4.3.1 | 4.1.2, 4.3.2 |
| CVE-2017-0249 High severity vulnerability that affects Microsoft.AspNetCore.Mvc | HIGH | 4.1.1, 4.3.1 | 4.1.2, 4.3.2 |
| CVE-2017-0256 Moderate severity vulnerability that affects Microsoft.AspNetCore.Mvc | MEDIUM | 4.1.1, 4.3.1 | 4.1.2, 4.3.2 |
About This Data
Vulnerability data for System.Net.Http is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related NuGet (.NET) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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