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CVE-2020-7867 Details

Description

An improper input validation vulnerability in Helpu solution could allow a local attacker to arbitrary file creation and execution without click file transfer menu. It is possible to file in arbitrary directory for user because the viewer program receive the file from agent with privilege of administrator.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303	CVE	Third Party Advisory
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
helpu helpuviewer	2018.5.21.0
CPE cpe:2.3:a:helpu:helpuviewer:2018.5.21.0:::::windows:: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 29, 2021	Initial Analysis	[email protected]