CVE-2020-1031

Windows DHCP Server Information Disclosure Vulnerability

State: Published
Severity: 7.5 High
Published: Sep 11, 2020
Updated: Aug 4, 2024
Reserved: Nov 4, 2019

Description

An information disclosure vulnerability exists in the way that the Windows Server DHCP service improperly discloses the contents of its memory. 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. The security update addresses the vulnerability by correcting how DHCP servers initializes memory.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	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	microsoft

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
Windows 10 Version 2004Microsoft	10.0.0 to before publicationAffected
Windows Server version 2004Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1803Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1809Microsoft	10.0.0 to before publicationAffected
Windows Server 2019Microsoft	10.0.0 to before publicationAffected
Windows Server 2019 (Server Core installation)Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1909Microsoft	10.0.0 to before publicationAffected
Windows Server, version 1909 (Server Core installation)Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1709 for 32-bit SystemsMicrosoft	10.0.0 to before publicationAffected
Windows 10 Version 1709Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1903 for 32-bit SystemsMicrosoft	10.0.0 to before publicationAffected
Windows 10 Version 1903 for x64-based SystemsMicrosoft	10.0.0 to before publicationAffected
Windows 10 Version 1903 for ARM64-based SystemsMicrosoft	10.0.0 to before publicationAffected
Windows Server, version 1903 (Server Core installation)Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1507Microsoft	10.0.0 to before publicationAffected
Windows 10 Version 1607Microsoft	10.0.0 to before publicationAffected
Windows Server 2016Microsoft	10.0.0 to before publicationAffected
Windows Server 2016 (Server Core installation)Microsoft	10.0.0 to before publicationAffected
Windows 7Microsoft	6.1.0 to before publicationAffected
Windows 7 Service Pack 1Microsoft	6.1.0 to before publicationAffected
Windows 8.1Microsoft	6.3.0 to before publicationAffected
Windows Server 2008 Service Pack 2Microsoft	6.0.0 to before publicationAffected
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft	6.0.0 to before publicationAffected
Windows Server 2008 Service Pack 2Microsoft	6.0.0 to before publicationAffected
Windows Server 2008 R2 Service Pack 1Microsoft	6.1.0 to before publicationAffected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft	6.0.0 to before publicationAffected
Windows Server 2012Microsoft	6.2.0 to before publicationAffected
Windows Server 2012 (Server Core installation)Microsoft	6.2.0 to before publicationAffected
Windows Server 2012 R2Microsoft	6.3.0 to before publicationAffected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.0 to before publicationAffected

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1031

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