CVE-2020-7867

Name: CVE-2020-7867
Creator: NVD / NIST
Published: 2021-10-27T01:15:07.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2020-7867 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

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 3.1

7.8/10

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

EPSS Probability

0.78%

51.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Helpu	Helpuviewer	2018.5.21.0

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303Third Party Advisory
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303Third Party Advisory

Timeline

Published: Oct 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7867?

How severe is CVE-2020-7867?

CVE-2020-7867 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7867?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7867?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST