CVE-2019-0815 Denial of service in ASP.NET Core
An attacker can cause a denial of service by sending improperly handled web requests to ASP.NET Core applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-0815?
CVE-2019-0815 is a high-severity denial of service vulnerability in Microsoft ASP.NET Core, published on 9 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
Weakness: CWE-19
Which versions are affected by CVE-2019-0815?
It affects 1 product.
Products include Microsoft Asp.net Core.
How do I fix CVE-2019-0815?
No fix has been published for CVE-2019-0815 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-0815 being exploited?
There is no known exploitation of CVE-2019-0815 in the wild and no public exploit code.
Other vulnerabilities in Microsoft ASP.NET Core
- CVE-2025-55315 ASP.NET Security Feature Bypass Vulnerability
- CVE-2026-88092 ASP.NET Core Tampering Vulnerability
- CVE-2026-40372 ASP.NET Core Elevation of Privilege Vulnerability
- CVE-2021-43877 ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
- CVE-2020-0603 Remote code execution in ASP.NET Core
Sources
Also known as GHSA-gmhq-66jq-cv4c.