How severe is CVE-2021-3458?

CVE-2021-3458 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-3458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3458?

CVE-2021-3458 affects Motorola Mm1000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3458 published?

CVE-2021-3458 was published on 2021-08-17 and last updated on 2026-06-17.

CVE-2021-3458

CVE-2021-3458 is a medium-severity vulnerability in Motorola Mm1000 Firmware with a CVSS 3.x base score of 6.1. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 2.1
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Motorola Mm1000 Firmware
Published: 2021-08-17
Last modified: 2026-06-17

Description

The Motorola MM1000 device configuration portal can be accessed without authentication, which could allow adapter settings to be modified.

Frequently asked questions

What is CVE-2021-3458?: The Motorola MM1000 device configuration portal can be accessed without authentication, which could allow adapter settings to be modified.
How severe is CVE-2021-3458?: CVE-2021-3458 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-3458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3458?: CVE-2021-3458 affects Motorola Mm1000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3458 published?: CVE-2021-3458 was published on 2021-08-17 and last updated on 2026-06-17.

References

https://motorolamentor.zendesk.com/hc/en-us/articles/1260804047750

Affected products (1)

cpe:2.3:o:motorola:mm1000_firmware:-:*:*:*:*:*:*:*

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