7.5
CVSSv3

CVE-2020-1013

Published: 11/09/2020 Updated: 31/12/2023
CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.5 | Impact Score: 5.9 | Exploitability Score: 1.6
VMScore: 829
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Summary

<p>An elevation of privilege vulnerability exists when Microsoft Windows processes group policy updates. An attacker who successfully exploited this vulnerability could potentially escalate permissions or perform additional privileged actions on the target machine.</p> <p>To exploit this vulnerability, an attacker would need to launch a man-in-the-middle (MiTM) attack against the traffic passing between a domain controller and the target machine. An attacker could then create a group policy to grant administrator rights to a standard user.</p> <p>The security update addresses the vulnerability by enforcing Kerberos authentication for certain calls over LDAP.</p>

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

microsoft windows server 2008 r2

microsoft windows server 2012 r2

microsoft windows 10 1607

microsoft windows 8.1 -

microsoft windows server 2016 -

microsoft windows server 2008 -

microsoft windows 7 -

microsoft windows rt 8.1 -

microsoft windows server 2012 -

microsoft windows 10 -

microsoft windows 10 1709

microsoft windows 10 1803

microsoft windows server 2019 -

microsoft windows 10 1809

microsoft windows server 2016 1903

microsoft windows 10 1903

microsoft windows server 2016 1909

microsoft windows 10 1909

microsoft windows 10 2004

microsoft windows server 2016 2004

Github Repositories

Standalone implementation of a part of the WSUS spec. Built for offensive security purposes.

PyWSUS The main goal of this tool is to be a standalone implementation of a legitimate WSUS server which sends malicious responses to clients The MITM attack itself should be done using other dedicated tools, such as Bettercap Installation virtualenv -p /usr/bin/python3 /venv source /venv/bin/activate pip install -r /requirementstxt

WSuspicious - A tool to abuse insecure WSUS connections for privilege escalations

WSuspicious Summary This is a proof of concept program to escalate privileges on a Windows host by abusing WSUS Details in this blog post: wwwgosecurenet/blog/2020/09/08/wsus-attacks-part-2-cve-2020-1013-a-windows-10-local-privilege-escalation-1-day/ It was inspired from the WSuspect proxy project: githubcom/ctxis/wsuspect-proxy Acknowledgements Privilege es