CVE-2020-7871Network attack vector

Unauthenticated command execution via unvalidated parameter

Published Jun 29, 2021 · Updated Aug 4, 2024

Command injection in CNESTY HelpCom*Base before 10.0 allows remote attackers to execute arbitrary commands through an invalid parameter. The vendor advisory identifies insufficient parameter validation but does not disclose the affected endpoint or parameter name. No authentication is required, and successful exploitation grants command execution in the product's operating context.

CVSS severity7.5
High
EPSS probability0.86%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in CNESTY HelpCom*Base before 10.0 allows remote attackers to execute arbitrary commands through an invalid parameter. The vendor advisory identifies insufficient parameter validation but does not disclose the affected endpoint or parameter name. No authentication is required, and successful exploitation grants command execution in the product's operating context.

The record

CVE
CVE-2020-7871
Published
Jun 29, 2021
Updated
Aug 4, 2024
Vendor
CNESTY
Product
HelpCom*Base
Classifications
CWE-20, T1059
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 29, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0 <10.0(2020.11)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

CNESTY · HelpCom*Baseversion=10.0 <10.0(2020.11)

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
7.5KrCERT/CCCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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