#VU89612 Use of Hard-coded Password in SIMATIC CN 4100 - CVE-2024-32741

Vulnerability identifier: #VU89612

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-2024-32741

CWE-ID: CWE-259

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SIMATIC CN 4100
Hardware solutions / Firmware

Vendor: Siemens

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected device contains hard coded password which is used for the privileged system user root and for the boot loader GRUB by default. A remote attacker can gain root access to the target device.

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.