Use of Hard-coded Cryptographic Key in SCALANCE X-300 - CVE-2020-28395
Published: January 12, 2021 / Updated: January 13, 2021
Vulnerability identifier: #VU49498
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2020-28395
CWE-ID: CWE-321
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to affected devices do not create a new unique private key after factory reset. A remote attacker can create a man-in-the-middle situation and decrypt previously captured traffic.
Affected software
SCALANCE X-300
How to mitigate CVE-2020-28395
Install updates from vendor's website.
SCALANCE X-300 - update to 4.1.0