CVE-2024-21876

9.3 criticalEPSS 0.8%

Critical (9.3) in enphase iq gateway firmware. EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/S:N/AU:Y/V:D/RE:H

CVSS 3.1

9.1 critical

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2024-08-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

enphase:iq_gateway_firmware

References

https://csirt.divd.nl/CVE-2024-21876
https://csirt.divd.nl/DIVD-2024-00011
https://enphase.com/cybersecurity/advisories/ensa-2024-1

Check your stack JSON