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CVE-2020-7867

Helpu arbitrary file creation vulnerability

HIGH
7.8
CVSS Score
Published: October 27, 2021 at 12:43 AM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorHelpuviewer

Using HelpuViewer.exe by HelpU?

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Severity
HIGH7.8
Exploit prediction
EPSS 0.8%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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