CVE-2024-21878

Command Injection through Unsafe File Name Evaluation in internal script in Enphase IQ Gateway v4.x to and including 8.x

Description

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Enphase IQ Gateway (formerly known as Envoy) allows OS Command Injection. This vulnerability is present in an internal script.This issue affects Envoy: from 4.x up to and including 8.x and is currently unpatched.

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. This will ensure that the likelihood of any attacks that can get access to the OS and thus abuse this vulnerability is reduced.

Categories

9.2
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory enphase.com
Affected: Enphase Envoy
Published at:
Updated at:

References

Link Tags
https://csirt.divd.nl/CVE-2024-21878 third party advisory
https://csirt.divd.nl/DIVD-2024-00011 third party advisory related
https://enphase.com/cybersecurity/advisories/ensa-2024-3 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-21878?
CVE-2024-21878 has been scored as a critical severity vulnerability.
How to fix CVE-2024-21878?
To fix CVE-2024-21878: Devices are remotely being updated by the vendor.
Is CVE-2024-21878 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-21878 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-2024-21878?
CVE-2024-21878 affects Enphase Envoy.
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