CVE-2020-1112: Malicious File Upload

Published May 21, 2020

Updated

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS module improperly handles uploaded content, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.

Affected Software

23 affected components

Microsoft Windows 10

Microsoft Windows 10=1607

Microsoft Windows 10=1709

Microsoft Windows 10=1803

Microsoft Windows 10=1809

Microsoft Windows 10=1903

Microsoft Windows 10=1909

Microsoft Windows 7=sp1

Microsoft Windows 8.1

Microsoft Windows RT 8.1

Microsoft Windows Server 2008=sp2

Microsoft Windows Server 2008=r2-sp1

Microsoft Windows Server 2012

Microsoft Windows Server 2012=r2

Microsoft Windows Server 2016

Microsoft Windows Server 2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1112

Event History

May 21, 2020

CVE Published

via MITRE·10:53 PM

Data Sourced

via MITRE·10:53 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2020-1112?

CVE-2020-1112 has a severity rating of important, indicating that it may allow an attacker to elevate their privileges on affected systems.

How do I fix CVE-2020-1112?

To fix CVE-2020-1112, apply the latest security updates provided by Microsoft for your specific Windows version.

Which versions of Windows are affected by CVE-2020-1112?

CVE-2020-1112 affects various versions of Windows including Windows 7, 8.1, 10, and several Windows Server editions.

Can CVE-2020-1112 be exploited remotely?

Yes, CVE-2020-1112 could potentially be exploited remotely if an attacker uploads malicious content to a vulnerable server.

Is there a workaround for CVE-2020-1112 if I cannot apply the patch immediately?

Currently, there is no official workaround for CVE-2020-1112, so it is recommended to prioritize applying the necessary updates.