CVE-2024-21877

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

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

Solution:

  • Devices are remotely being updated by the 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.

Category

9.2
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory enphase.com
Affected: Enphase Envoy
Published at:
Updated at:

References

Link Tags
https://csirt.divd.nl/CVE-2024-21877 third party advisory
https://csirt.divd.nl/DIVD-2024-00011 third party advisory related
https://enphase.com/cybersecurity/advisories/ensa-2024-2 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-21877?
CVE-2024-21877 has been scored as a critical severity vulnerability.
How to fix CVE-2024-21877?
To fix CVE-2024-21877: Devices are remotely being updated by the vendor.
Is CVE-2024-21877 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-21877 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-21877?
CVE-2024-21877 affects Enphase Envoy.
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