Microsoft System.Text.Encodings.Web vulnerabilities

3 vulnerabilities

Known vulnerabilities in Microsoft System.Text.Encodings.Web, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

7.5CVE-2017-0249microsoft corporationasp.net core+38
EPSS score
4.25%
An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.7.5CVE-2017-0247microsoft corporationasp.net core+37
EPSS score
16.91%
A denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests. NOTE: Microsoft has not commented on third-party claims that the issue is that the TextEncoder.EncodeCore function in the System.Text.Encodings.Web package in ASP.NET Core Mvc before 1.0.4 and 1.1.x before 1.1.3 allows remote attackers to cause a denial of service by leveraging failure to properly calculate the length of 4-byte characters in the Unicode Non-Character range.5.3CVE-2017-0256microsoft corporationasp.net core+37
EPSS score
3.54%
A spoofing vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.