CVE-2024-21877

Insecure File Generation Based on User Input in Enphase IQ Gateway version 4.x to 8.x and < 8.2.4225

Published Aug 10, 2024 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability through a url parameter in Enphase IQ Gateway (formerly known as Envoy) allows File Manipulation. The endpoint requires authentication.This issue affects Envoy: from 4.x to 8.0 and < 8.2.4225.

Remediation

Vendor Solution

Devices are remotely being updated by the vendor.


Vendor Workaround

It is adviced to not expose this device to untrusted network acces. In other words, make sure this decvice is not reachable from the internet, a guest network or a public network.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-19488 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability through a url parameter in Enphase IQ Gateway (formerly known as Envoy) allows File Manipulation. The endpoint requires authentication.This issue affects Envoy: from 4.x to 8.0 and < 8.2.4225.
History
Type Values Removed Values Added
First Time appeared Enphase iq Gateway
Enphase iq Gateway Firmware
CPEs cpe:2.3:h:enphase:iq_gateway:-:*:*:*:*:*:*:*
cpe:2.3:o:enphase:iq_gateway_firmware:*:*:*:*:*:*:*:*
Vendors & Products Enphase iq Gateway
Enphase iq Gateway Firmware
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

Type Values Removed Values Added
First Time appeared Enphase
Enphase envoy
CPEs cpe:2.3:h:enphase:envoy:-:*:*:*:*:*:*:*
Vendors & Products Enphase
Enphase envoy
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability through a url parameter in Enphase IQ Gateway (formerly known as Envoy) allows File Manipulation. The endpoint requires authentication.This issue affects Envoy: from 4.x to 8.0 and < 8.2.4225.
Title Insecure File Generation Based on User Input in Enphase IQ Gateway version 4.x to 8.x and < 8.2.4225
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/S:P/AU:Y/R:I/V:C/RE:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
DIVD
Published
Updated
Mar 11, 2025, 1:38 PM
Reserved
Jan 2, 2024, 6:30 PM
Status
Analyzed
Published
Aug 12, 2024, 1:38 PM
Modified
Jun 17, 2026, 7:10 AM