CVE-2019-0941 MEDIUM

CVE-2019-0941: Microsoft IIS Server Denial of Service Vulnerability

Vendor Microsoft
Product Windows 10 Version 1903 for 32-bit Systems
Published June 12, 2019
Last update May 20, 2025

CVSS base score

4.4/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C

What the vulnerability does

01Description

A denial of service exists in Microsoft IIS Server when the optional request filtering feature improperly handles requests. An attacker who successfully exploited this vulnerability could perform a temporary denial of service against pages configured to use request filtering. To exploit this vulnerability, an attacker could send a specially crafted request to a page utilizing request filtering. The update addresses the vulnerability by changing the way certain requests are processed by the filter.

Key dates

02Disclosure timeline

June 12, 2019 CVE published
May 20, 2025 Record updated