Description

The CGI script .sh can be used to download any file on the filesystem.

This issue affects Iocharger firmware for AC model chargers beforeversion 24120701.

Likelihood: High, but credentials required.

Impact: Critical – The script can be used to download any file on the filesystem, including sensitive files such as /etc/shadow, the CGI script source code or binaries and configuration files.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/S:P/AU:Y
CVSS clarification. The attack can be executed over any network connection the station is listening to and serves the web interface (AV:N), and there are no additional security measure sin place that need to be circumvented (AC:L), the attack does not rely on preconditions (AT:N). The attack does require authentication, but the level of authentication is irrelevant (PR:L), it does not require user interaction (UI:N). The confidentiality of all files of the devicd can be compromised (VC:H/VI:N/VA:N). There is no impact on subsequent systems. (SC:N/SI:N/SA:N). While this device is an EV charger handing significant amounts of power, this attack in isolation does not have a safety impact. The attack can be automated (AU:Y).

Classification

CVE ID: CVE-2024-43660

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

Affected Products

Vendor: Iocharger

Product: Iocharger firmware for AC models

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.82% (scored less or equal to compared to others)

EPSS Date: 2025-02-07 (when was this score calculated)

References

https://csirt.divd.nl/DIVD-2024-00035/
https://csirt.divd.nl/CVE-2024-43660/
https://iocharger.com

Timeline