#VU89611 Use of hard-coded credentials in SIMATIC CN 4100 - CVE-2024-32740

Vulnerability identifier: #VU89611

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-2024-32740

CWE-ID: CWE-798

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SIMATIC CN 4100
Hardware solutions / Firmware

Vendor: Siemens

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SIMATIC CN 4100: before 3.0

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External links
https://cert-portal.siemens.com/productcert/html/ssa-273900.html

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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.