Mar 2020:
CVE-2020-0787 Published on March 12, 2020
An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.
Known Exploited Vulnerability
This Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulne vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows BITS is vulnerable to to a privilege elevation vulnerability if it improperly handles symbolic links. An actor can exploit this vulnerability to execute arbitrary code with system-level privileges.
The following remediation steps are recommended / required by July 28, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2020-0787 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an insecure temporary file Vulnerability?
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CVE-2020-0787 has been classified to as an insecure temporary file vulnerability or weakness.
Products Associated with CVE-2020-0787
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Affected Versions
Microsoft Windows:- Version 10 Version 1803 for 32-bit Systems is affected.
- Version 10 Version 1803 for x64-based Systems is affected.
- Version 10 Version 1803 for ARM64-based Systems is affected.
- Version 10 Version 1809 for 32-bit Systems is affected.
- Version 10 Version 1809 for x64-based Systems is affected.
- Version 10 Version 1809 for ARM64-based Systems is affected.
- Version 10 Version 1709 for 32-bit Systems is affected.
- Version 10 Version 1709 for x64-based Systems is affected.
- Version 10 Version 1709 for ARM64-based Systems is affected.
- Version 10 for 32-bit Systems is affected.
- Version 10 for x64-based Systems is affected.
- Version 10 Version 1607 for 32-bit Systems is affected.
- Version 10 Version 1607 for x64-based Systems is affected.
- Version 7 for 32-bit Systems Service Pack 1 is affected.
- Version 7 for x64-based Systems Service Pack 1 is affected.
- Version 8.1 for 32-bit systems is affected.
- Version 8.1 for x64-based systems is affected.
- Version RT 8.1 is affected.
- Version version 1803 (Core Installation) is affected.
- Version 2019 is affected.
- Version 2019 (Core installation) is affected.
- Version 2016 is affected.
- Version 2016 (Core installation) is affected.
- Version 2008 for 32-bit Systems Service Pack 2 is affected.
- Version 2008 for 32-bit Systems Service Pack 2 (Core installation) is affected.
- Version 2008 for Itanium-Based Systems Service Pack 2 is affected.
- Version 2008 for x64-based Systems Service Pack 2 is affected.
- Version 2008 for x64-based Systems Service Pack 2 (Core installation) is affected.
- Version 2008 R2 for Itanium-Based Systems Service Pack 1 is affected.
- Version 2008 R2 for x64-based Systems Service Pack 1 is affected.
- Version 2008 R2 for x64-based Systems Service Pack 1 (Core installation) is affected.
- Version 2012 is affected.
- Version 2012 (Core installation) is affected.
- Version 2012 R2 is affected.
- Version 2012 R2 (Core installation) is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.