What is CVE-2021-3459?

CVE-2021-3459 is a medium-severity vulnerability in Motorola Mm1000, classified under OS Command Injection. CVSS score: 6.8/10. Published 2021-08-17.

How severe is CVE-2021-3459?

Medium severity. CVSS v3 base score is 6.8 out of 10.

RCE in Motorola Mm1000

CVE-2021-3459

A privilege escalation vulnerability was reported in the MM1000 device configuration web server, which could allow privileged shell access and/or arbitrary privileged commands to be executed on the adapter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2021-08-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Motorola Mm1000
Motorola Mm1000 Firmware
Motorola Mm1000 Moca Adapter — versions unspecified

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

motorolamentor.zendesk.com/hc/en-us/articles/1260804047750 (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3459?: CVE-2021-3459 is a medium-severity vulnerability in Motorola Mm1000, classified under OS Command Injection. CVSS score: 6.8/10. Published 2021-08-17.
How severe is CVE-2021-3459?: Medium severity. CVSS v3 base score is 6.8 out of 10.