CVE-2020-16940
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Summary
<p>An elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points. An attacker who successfully exploited this vulnerability could delete files and folders in an elevated context.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete files or folders of their choosing.</p> <p>The security update addresses the vulnerability by correcting how the Windows User Profile Service handles junction points.</p>
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1803 | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1809 | 10.0.0 < publication | affected |
| Microsoft | Windows Server 2019 | 10.0.0 < publication | affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1909 | 10.0.0 < publication | affected |
| Microsoft | Windows Server, version 1909 (Server Core installation) | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1709 | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | 10.0.0 < publication | affected |
| Microsoft | Windows Server, version 1903 (Server Core installation) | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 2004 | 10.0.0 < publication | affected |
| Microsoft | Windows Server version 2004 | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1507 | 10.0.0 < publication | affected |
| Microsoft | Windows 10 Version 1607 | 10.0.0 < publication | affected |
| Microsoft | Windows Server 2016 | 10.0.0 < publication | affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.0 < publication | affected |
| Microsoft | Windows 7 | 6.1.0 < publication | affected |
| Microsoft | Windows 7 Service Pack 1 | 6.1.0 < publication | affected |
| Microsoft | Windows 8.1 | 6.3.0 < publication | affected |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.0 < publication | affected |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.0 < publication | affected |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.0 < publication | affected |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.0 < publication | affected |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.0.0 < publication | affected |
| Microsoft | Windows Server 2012 | 6.2.0 < publication | affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.0 < publication | affected |
| Microsoft | Windows Server 2012 R2 | 6.3.0 < publication | affected |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.0 < publication | affected |
Weaknesses
- Elevation of Privilege
ADP Enrichment
CVE Program Container
Additional References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940
- https://www.zerodayinitiative.com/advisories/ZDI-20-1248/
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940
- https://www.zerodayinitiative.com/advisories/ZDI-20-1248/
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