Use of hard-coded credentials in Siemens products - CVE-2023-36380

 

Use of hard-coded credentials in Siemens products - CVE-2023-36380

Published: October 11, 2023


Vulnerability identifier: #VU81917
CSH Severity: High
CVSS v4.0: 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-2023-36380
CWE-ID: CWE-798
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
CP-8031 MASTER MODULE
CP-8050 MASTER MODULE
CPCI85

Detailed vulnerability 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 the SSH authorized_keys configuration file. 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.


How to mitigate CVE-2023-36380

Install updates from vendor's website.

Sources