Junglewise Threat Intelligence

CVE-2020-0787: Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability

CVE-2020-0787 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-01-28

Technologies: Microsoft Windows Server 2016, Microsoft Windows 7, Microsoft Windows, Microsoft Windows 8.1, Microsoft Windows 10, Microsoft Windows Server 2019, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Rt 8.1. Vendors: Microsoft.

Executive brief

An elevation of privilege vulnerability exists in the Microsoft Windows Background Intelligent Transfer Service (BITS) due to improper handling of symbolic links. A local attacker can exploit this by following links to execute arbitrary code with SYSTEM-level privileges.

Affected products

  • Microsoft Windows 10 1507, 1607, 1709, 1803, 1809, 1903, 1909
  • Microsoft Windows 7 Service Pack 1
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows Server 2008 Service Pack 2, R2 Service Pack 1
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016 1803, 1903, 1909
  • Microsoft Windows Server 2019

Timeline

  • 2020-03-10: disclosed: Initial publication date based on CVE year and typical Microsoft patch cycles (MSRC)
  • 2022-01-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-01-28: other: NVD publication date

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