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CVE-2024-21877: Insecure File Generation Based on User Input in Enphase IQ Gateway version 4.x to 8.x and < 8.2.4225

8.6 CVSS

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.

Classification

CVE ID: CVE-2024-21877

CVSS Base Severity: HIGH

CVSS Base Score: 8.6

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

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Vendor: Enphase

Product: Envoy

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.15% (probability of being exploited)

EPSS Percentile: 32.25% (scored less or equal to compared to others)

EPSS Date: 2025-04-09 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: total

SSVC Automatable: true

References

https://nvd.nist.gov/vuln/detail/CVE-2024-21877
https://csirt.divd.nl/CVE-2024-21877
https://csirt.divd.nl/DIVD-2024-00011
https://enphase.com/cybersecurity/advisories/ensa-2024-2

Timeline