#VU93214 Arbitrary file upload in Phoenix Contact GmbH products - CVE-2024-25994

Vulnerability identifier: #VU93214

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-25994

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CHARX SEC-3000
Hardware solutions / Firmware
CHARX SEC-3050
Hardware solutions / Firmware
CHARX SEC-3100
Hardware solutions / Firmware
CHARX SEC-3150
Hardware solutions / Firmware

Vendor: Phoenix Contact GmbH

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload within the CharxUpdateAgent service. A remote attacker can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CHARX SEC-3000: 1.5.0

CHARX SEC-3050: 1.5.0

CHARX SEC-3100: 1.5.0

CHARX SEC-3150: 1.5.0

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External links
https://cert.vde.com/en/advisories/VDE-2024-011
https://www.zerodayinitiative.com/advisories/ZDI-24-867/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.