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mscveMicrosoftMS:CVE-2020-0942
HistoryApr 14, 2020 - 7:00 a.m.

Connected User Experiences and Telemetry Service Elevation of Privilege Vulnerability

2020-04-1407:00:00
Microsoft
msrc.microsoft.com
273

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:P/A:P

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS

0

Percentile

9.5%

An elevation of privilege vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations. An attacker who successfully exploited this vulnerability could overwrite files in arbitrary locations with elevated permissions.

To exploit the 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.

The security update addresses the vulnerability by correcting how the Connected User Experiences and Telemetry Service handles file operations.

Affected configurations

Vulners
Node
microsoftwindows_server\,_version_1909Range<2020-Apr
OR
microsoftwindows_10_1909_for_arm64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1909_for_x64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1909_for_32-bit_systemsRange<2020-Apr
OR
microsoftwindows_server\,_1803_\(server_core_installation\)Range<2020-Apr
OR
microsoftwindows_server_2019Range<2020-Apr
OR
microsoftwindows_10_1809_for_arm64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1809_for_x64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1809_for_32-bit_systemsRange<2020-Apr
OR
microsoftwindows_10_1803_for_arm64-based_systemsRange<2020-Apr
OR
microsoftwindows_server\,_1803_\(server_core_installation\)Range<2020-Apr
OR
microsoftwindows_10_1803_for_x64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1803_for_32-bit_systemsRange<2020-Apr
OR
microsoftwindows_server\,_1803_\(server_core_installation\)Range<2020-Apr
OR
microsoftwindows_server_2016Range<2020-Apr
OR
microsoftwindows_defender_on_windows_10_1607_for_x64-based_systemsRange<2020-Apr
OR
microsoftwindows_defender_on_windows_10_1607_for_32-bit_systemsRange<2020-Apr
OR
microsoftwindows_server\,_version_1903Range<2020-Apr
OR
microsoftwindows_10_1903_for_arm64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1903_for_x64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1903_for_32-bit_systemsRange<2020-Apr
OR
microsoftwindows_10_1709_for_arm64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1709_for_x64-based_systemsRange<2020-Apr
OR
microsoftwindows_10_1709_for_32-bit_systemsRange<2020-Apr

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:P/A:P

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS

0

Percentile

9.5%