CVE-2018-0808 Privilege escalation in ASP.NET Core
An attacker can elevate privileges by exploiting how ASP.NET Core handles web requests, requiring a security patch.
- 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-2018-0808?
CVE-2018-0808 is a high-severity vulnerability in Microsoft Corporation ASP.NET Core, published on 14 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how ASP.NET web applications handle web requests, aka "ASP.NET Core Elevation Of Privilege Vulnerability". This CVE is unique from CVE-2018-0784.
Which versions are affected by CVE-2018-0808?
It affects 1 product.
Products include Microsoft Asp.net Core.
How do I fix CVE-2018-0808?
No fix has been published for CVE-2018-0808 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0808 being exploited?
There is no known exploitation of CVE-2018-0808 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Corporation 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-4f6j-pw77-g8r4.