CVE-2024-21876 — CRITICAL (9.1)

Q: How severe is CVE-2024-21876?

CVE-2024-21876 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2024-21876?

Check the references section above for vendor advisories and patch information. Affected products include: Enphase Iq Gateway Firmware, Enphase Iq Gateway.

Vulnerability 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.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Enphase	Iq Gateway Firmware	>= 4.0, < 8.2.4225
Enphase	Iq Gateway	-

Related Weaknesses (CWE)

CWE-22

References

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

FAQ

What is CVE-2024-21876?

CVE-2024-21876 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 ac...

How severe is CVE-2024-21876?

CVE-2024-21876 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2024-21876?

Check the references section above for vendor advisories and patch information. Affected products include: Enphase Iq Gateway Firmware, Enphase Iq Gateway.