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CVE-2020-16877

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CVE-2020-16877

Published: Oct 16, 2020

Modified: Nov 18, 2024

PUBLISHED

CVSS v3.1

7.1

HIGH

Description

<p>An elevation of privilege vulnerability exists when Microsoft Windows improperly handles reparse points. An attacker who successfully exploited this vulnerability could overwrite or delete a targeted file that would normally require elevated permissions.</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 overwrite or delete files.</p> <p>The security update addresses the vulnerability by correcting how Windows handles reparse points.</p>

VendorProductVersions

Microsoft

Windows 10 Version 1909

affected
10.0.0 - < publication

Microsoft

Windows Server, version 1909 (Server Core installation)

affected
10.0.0 - < publication

Microsoft

Windows 10 Version 1903 for 32-bit Systems

affected
10.0.0 - < publication

Microsoft

Windows 10 Version 1903 for x64-based Systems

affected
10.0.0 - < publication

Microsoft

Windows 10 Version 1903 for ARM64-based Systems

affected
10.0.0 - < publication

Microsoft

Windows Server, version 1903 (Server Core installation)

affected
10.0.0 - < publication

Microsoft

Windows 10 Version 2004

affected
10.0.0 - < publication

Microsoft

Windows Server version 2004

affected
10.0.0 - < publication

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

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