How severe is CVE-2020-7871?

CVE-2020-7871 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7871 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7871?

CVE-2020-7871 affects Cnesty Helpcom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7871?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-7871 published?

CVE-2020-7871 was published on 2021-06-29 and last updated on 2026-06-17.

CVE-2020-7871

CVE-2020-7871 is a high-severity vulnerability in Cnesty Helpcom with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.5
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cnesty Helpcom
Published: 2021-06-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-7871?: 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.
How severe is CVE-2020-7871?: CVE-2020-7871 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7871 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7871?: CVE-2020-7871 affects Cnesty Helpcom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7871?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-7871 published?: CVE-2020-7871 was published on 2021-06-29 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:cnesty:helpcom:*:*:*:*:*:*:*:*

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