CVE-2020-1597

ASP.NET Core Denial of Service Vulnerability

HIGH
7.5
CVSS Score
Published: August 17, 2020 at 07:13 PM UTC
Updated: June 17, 2026 at 03:01 AM UTC
4 products affected across 2 vendorsFedoraVisual Studio 2019Visual Studio 2017

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Severity
HIGH7.5
Exploit prediction
EPSS 7%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.0 ≤ v < publication3.0 ≤ v < publication2.02.12.1*3.03.1
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
15.0 ≤ v ≤ 15.815.9.0 ≤ v < publication15.9.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
16.0 ≤ v ≤ 16.316.0 ≤ v < publication16.0.0 ≤ v < publication16.5 ≤ v ≤ 16.616.016.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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