CVE-2020-1031 HIGH

CVE-2020-1031: Windows DHCP Server Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 10 Version 2004
Published September 11, 2020
Last update August 4, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

<p>An information disclosure vulnerability exists in the way that the Windows Server DHCP service improperly discloses the contents of its memory.</p> <p>To exploit the vulnerability, an unauthenticated attacker could send a specially crafted packet to an affected DHCP server. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>The security update addresses the vulnerability by correcting how DHCP servers initializes memory.</p>

Key dates

02Disclosure timeline

September 11, 2020 CVE published
August 4, 2024 Record updated