#VU105650 Improper Authentication in SINAMICS S200 - CVE-2024-56336

Vulnerability identifier: #VU105650

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-56336

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SINAMICS S200
Hardware solutions / Firmware

Vendor: Siemens

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an unlocked bootloader. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SINAMICS S200: All versions

---

External links
https://cert-portal.siemens.com/productcert/html/ssa-787280.html

---

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.