CVE-2020-1597

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

17/08/2020

Last modified:

23/02/2026

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.<br /> A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application.<br /> The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:microsoft:asp.net_core:2.1:::::::*
cpe:2.3:a:microsoft:asp.net_core:3.1:::::::*
cpe:2.3:a:microsoft:visual_studio_2017::::::::	15.0 (including)	15.8 (including)
cpe:2.3:a:microsoft:visual_studio_2019::::::::	16.0 (including)	16.3 (including)
cpe:2.3:a:microsoft:visual_studio_2019::::::::	16.5 (including)	16.6 (including)
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:o:fedoraproject:fedora:33:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-1597

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools