SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-1108

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests.

HIGH 7.5EPSS 6.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework 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 .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
6.25% probability · 93th percentile
CISA KEV
Not listed
Affected
microsoft/.net · microsoft/.net core · microsoft/.net framework · microsoft/visual studio 2017 · microsoft/visual studio 2019 · microsoft/powershell · microsoft/powershell core
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.