#VU49497 Use of Hard-coded Cryptographic Key in SCALANCE X-200 and SCALANCE X-200 IRT - CVE-2020-28391
Published: January 12, 2021 / Updated: January 13, 2021
Vulnerability identifier: #VU49497
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-28391
CWE-ID: CWE-321
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SCALANCE X-200
SCALANCE X-200 IRT
SCALANCE X-200
SCALANCE X-200 IRT
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to presence of a hard-coded cryptographic key when using the device with C-PLUG. A remote attacker can create a man-in-the-middle situation and decrypt previously captured traffic.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.