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CVE-2024-43655

Any authenticated users can execute OS commands as root using the <redacted>.sh CGI script.

CVE CVE-2024-43655
Title Any authenticated users can execute OS commands as root using the <redacted>.sh CGI script.
Case DIVD-2024-00035
Credits
Affected products
Product Affected Unaffected Unknown
Iocharger Iocharger firmware for AC models >= 0 to < 24120701 (custom)
everything else
CVSS
Base score 9.3 - CRITICAL
Attack Vector NETWORK
Attack Complexity> LOW
Attack Requirements NONE
Privileges Required LOW
Confidentiality Impact
Vulnerable system HIGH Subsequent systems LOW
Integrity Impact
Vulnerable system HIGH Subsequent systems LOW
Availability Impact
Vulnerable system HIGH Subsequent systems HIGH
Safety impact PRESENT
Automatable YES
Recovery NOT_DEFINED
Value Density NOT_DEFINED
Vulnerability Response effort NOT_DEFINED
Provider Urgency NOT_DEFINED
References
Problem type(s)
Impact(s) CAPEC-88 OS Command Injection
Date published 09 Jan 2025 00:00 UTC
Last modified

Description

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability allows OS Command Injection as root

This issue affects Iocharger firmware for AC model chargers before version 24120701.

Likelihood: Moderate – The attacker will first need to find the name of the script, and needs a (low privilege) account to gain access to the script, or convince a user with such access to execute a request to it.

Impact: Critical – The attacker has full control over the charging station as the root user, and can arbitrarily add, modify and deletefiles and services.

CVSS clarification: Any network interface serving the web ui is vulnerable (AV:N) and there are not additional security measures to circumvent (AC:L), nor does the attack require and existing preconditions (AT:N). The attack is authenticated, but the level of authentication does not matter (PR:L), nor is any user interaction required (UI:N). The attack leads to a full compromised (VC:H/VI:H/VA:H), and compromised devices can be used to pivot into networks that should potentially not be accessible (SC:L/SI:L/SA:H). Becuase this is an EV charger handing significant power, there is a potential safety impact (S:P). This attack can be automated (AU:Y).


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