ASP.NET
CVE-2020-0602 — ASP.NET Core Denial of Service Vulnerability
Executive Summary
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application. The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.
Overview
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
EPSS Score
0.07614
probability of exploitation in the next 30 days
0.93779 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| ASP.NET Core 2.1 | Release Notes (Security Update) |
Important | Denial of Service | Maybe |
| ASP.NET Core 3.0 | Release Notes (Security Update) |
Important | Denial of Service | Maybe |
| ASP.NET Core 3.1 | Rekease Notes (Security Update) |
Important | Denial of Service | Maybe |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | Maybe |
Rekease Notes |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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