CVE-2024-21877

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

Severity Score

9.2

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

*Credits: Wietse Boonstra of DIVD, Hidde Smit of DIVD, Frank Breedijk of DIVD, Max van der Horst of DIVD

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Attack Requirements

None

Privileges Required

None

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

High

Low

Integrity

High

Low

Availability

High

Low

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

Low

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

High

None

Integrity

High

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Attack Requirements

None

Privileges Required

None

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

High

Low

Integrity

High

Low

Availability

High

Low

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-01-02 CVE Reserved
2024-08-10 CVE Published
2024-08-12 CVE Updated
2024-08-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

CAPEC-165: File Manipulation

References (3)

URL	Tag	Source
https://csirt.divd.nl/CVE-2024-21877	Third Party Advisory
https://csirt.divd.nl/DIVD-2024-00011	Related

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://enphase.com/cybersecurity/advisories/ensa-2024-2	2024-08-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Enphase Search vendor "Enphase"		Envoy Search vendor "Enphase" for product "Envoy"				>= 8.0.0 < 8.2.4225 Search vendor "Enphase" for product "Envoy" and version " >= 8.0.0 < 8.2.4225"		en		Affected