CVE-2021-3459

Privileged command execution via configuration web server

Published Aug 17, 2021 · Updated Aug 3, 2024

Command injection in the MM1000 device configuration web server through firmware 1.0.0.8 allows attackers to execute privileged commands. The vendor does not disclose the specific request-handling flaw; the affected web server nevertheless exposes privileged shell access or arbitrary privileged command execution. The published assessment requires physical access and reports confidentiality, integrity, and availability impact.

CVSS severity7.2
High
EPSS probability0.29%
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 the MM1000 device configuration web server through firmware 1.0.0.8 allows attackers to execute privileged commands. The vendor does not disclose the specific request-handling flaw; the affected web server nevertheless exposes privileged shell access or arbitrary privileged command execution. The published assessment requires physical access and reports confidentiality, integrity, and availability impact.

The record

CVE
CVE-2021-3459
Published
Aug 17, 2021
Updated
Aug 3, 2024
Vendor
Minim
Product
MM1000 MoCA Adapter
Classifications
CWE-78, T1059
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=unspecified <=1.0.0.8

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Minim · MM1000 MoCA Adapterversion=unspecified <=1.0.0.8

Published CVSS scores

7.2NVDAV:L/AC:L/Au:N/C:C/I:C/A:C
6.8NVDCVSS:3.1/AV:P/AC:L/PR:N/UI:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

CWE-78OS Command Injection
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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