CVE-2024-21878

Enphase Iq Gateway Firmware command injection

9.8 CRITICALEPSS 1.44%

Published12 Aug 2024

Description

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Enphase IQ Gateway (formerly known as Envoy) allows OS Command Injection. This vulnerability is present in an internal script.This issue affects Envoy: from 4.x up to and including 8.x and is currently unpatched.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Enphase Iq Gateway Firmware≥ 4.0 < 8.2.4225

Remediation

Fixed in

Enphase Iq Gateway Firmware≥ 8.2.4225

Frequently asked

Is CVE-2024-21878 being actively exploited?

CVE-2024-21878 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.44%.

How severe is CVE-2024-21878?

CVE-2024-21878 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.44% probability of exploitation.

Which products are affected by CVE-2024-21878?

Affected products include Enphase Iq Gateway Firmware.

How do I fix CVE-2024-21878?

Upgrade affected software to a fixed version, for example Enphase Iq Gateway Firmware 8.2.4225 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-21878 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.