Use of a broken or risky cryptographic algorithm in Siemens products - CVE-2023-36749

Vulnerability identifier: #VU78316

CSH Severity: Medium

CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-36749

CWE-ID: CWE-327

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to the webserver of the affected devices support insecure TLS 1.0 protocol. A remote attacker can perform a man-in-the-middle attack and compromise confidentiality and integrity of data.

RUGGEDCOM ROX MX5000
RUGGEDCOM ROX MX5000RE
RUGGEDCOM ROX RX1400
RUGGEDCOM ROX RX1500
RUGGEDCOM ROX RX1501
RUGGEDCOM ROX RX1510
RUGGEDCOM ROX RX1511
RUGGEDCOM ROX RX1512
RUGGEDCOM ROX RX1524
RUGGEDCOM ROX RX1536
RUGGEDCOM ROX RX5000

Install updates from vendor's website.

RUGGEDCOM ROX MX5000 - update to 2.16.0
RUGGEDCOM ROX MX5000RE - update to 2.16.0
RUGGEDCOM ROX RX1400 - update to 2.16.0
RUGGEDCOM ROX RX1500 - update to 2.16.0
RUGGEDCOM ROX RX1501 - update to 2.16.0
RUGGEDCOM ROX RX1510 - update to 2.16.0
RUGGEDCOM ROX RX1511 - update to 2.16.0
RUGGEDCOM ROX RX1512 - update to 2.16.0
RUGGEDCOM ROX RX1524 - update to 2.16.0
RUGGEDCOM ROX RX1536 - update to 2.16.0
RUGGEDCOM ROX RX5000 - update to 2.16.0

• https://cert-portal.siemens.com/productcert/txt/ssa-146325.txt

• Multiple vulnerabilities in Siemens RUGGEDCOM ROX devices