CVE-2020-7871

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-29 · updated 2026-06-17
Weakness: CWE-20

Description

A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient validation of the parameter. This issue affects: Cnesty Helpcom 10.0 versions prior to.

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=36095
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095

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