CVE-2020-1597: vulnerability in Microsoft ASP.NET Core 2.1
ASP.NET Core Denial of Service Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 6.6%
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 products
Microsoft · ASP.NET Core 2.1Microsoft · ASP.NET Core 3.1Microsoft · Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)Microsoft · Microsoft Visual Studio 2019 version 16.0Microsoft · Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)Microsoft · Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)Related CVEs — Microsoft ASP.NET Core 2.1
In the same product, most dangerous first.
CVE-2020-1147HIGHCVE-2020-1147EPSS 95.8%KEVCVE-2023-38180HIGH.NET and Visual Studio Denial of Service VulnerabilityEPSS 14.1%KEVCVE-2021-36952HIGHVisual Studio Remote Code Execution VulnerabilityEPSS 51.5%CVE-2021-26701HIGH.NET Core Remote Code Execution VulnerabilityEPSS 30.1%CVE-2020-1108—.NET Core & .NET Framework Denial of Service VulnerabilityEPSS 6.5%CVE-2020-1045HIGHMicrosoft ASP.NET Core Security Feature Bypass VulnerabilityEPSS 5.9%
References
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597