CVE-2024-21876: iq gateway Path Traversal — Fix

Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability via a URL parameter in Enphase IQ Gateway (formerly known as Envoy) allows an unautheticated attacker to access or create arbitratry files.This issue affects Envoy: from 4.x to 8.x and < 8.2.4225.

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CVSS v3.1 Score

9.1

CRITICAL

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
enphase	iq_gateway_firmware	4.0 — 8.2.4225
enphase	iq_gateway	All

References

Advisories & Patches

https://enphase.com/cybersecurity/advisories/ensa-2024-1

Other References

https://csirt.divd.nl/CVE-2024-21876 https://csirt.divd.nl/DIVD-2024-00011

Frequently Asked Questions

What is CVE-2024-21876? +

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability via a URL parameter in Enphase IQ Gateway (formerly known as Envoy) allows an unautheticated attacker to access or create arbitratry files.This issue affects Envoy: from 4.x to 8.x and < 8.2.4225. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2024-21876? +

CVE-2024-21876 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-21876? +

CVE-2024-21876 affects products from enphase, specifically: iq_gateway, iq_gateway_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21876? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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