7.5
HIGH
CVE-2020-1597
ASP.NET Core Denial of Service Vulnerability
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.

INFO

Published Date :

Aug. 17, 2020, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 5:10 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-1597 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft asp.net_core
2 Microsoft visual_studio_2017
3 Microsoft visual_studio_2019
1 Fedoraproject fedora

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-1597 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-1597 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/
    Added Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 19, 2024

    Action Type Old Value New Value
    Changed Description <p>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.</p> <p>A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application.</p> <p>The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.</p> 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.
  • CVE Modified by [email protected]

    Jan. 04, 2024

    Action Type Old Value New Value
    Changed Description A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'. <p>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.</p> <p>A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application.</p> <p>The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.</p>
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Microsoft Corporation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/ [No types assigned]
    Added Reference Microsoft Corporation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/ [No types assigned]
    Removed Reference Microsoft Corporation https://lists.fedoraproject.org/archives/list/[email protected]/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/
    Removed Reference Microsoft Corporation https://lists.fedoraproject.org/archives/list/[email protected]/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/
  • Modified Analysis by [email protected]

    Apr. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Sep. 25, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 12, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597 Patch, Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration OR *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:*:*:*:*:*:*:*:* versions from (including) 15.0 up to (including) 15.8 *cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* versions from (including) 16.0 up to (including) 16.3 *cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* versions from (including) 16.5 up to (including) 16.6
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-1597 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-1597 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.42 }} 0.91%

score

0.89634

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability