CVE-2020-7846

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-24 · updated 2026-06-17
Weakness: CWE-321

Description

Helpcom before v10.0 contains a file download and execution vulnerability caused by storing hardcoded cryptographic key. It finally leads to a file download and execution via access to crafted web page.

Affected products

Cnesty Helpcom: before 10.0 — fixed in 10.0

How to fix

Upgrade to a fixed version: Cnesty Helpcom 10.0. Check the vendor advisory for mitigations.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35919
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35919

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