Missing Authentication for Critical Function in Sick AG products - CVE-2023-23444

Vulnerability identifier: #VU77926

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-23444

CWE-ID: CWE-306

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing authentication for critical function. A remote attacker can send a broadcasted UDP packet and change the IP settings of the affected device.

SICK FX0-GENT00000
SICK FX0-GENT00010
SICK FX0-GENT00030
SICK FX0-GMOD00000
SICK FX0-GMOD00010
SICK FX0-GPNT00000
SICK FX0-GPNT00010
SICK FX0-GPNT00030
SICK UE410-EN1 FLEXI
SICK UE410-EN3 FLEXI
SICK UE410-EN4 FLEXI
Rexroth SLC-0-GPNT00300

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

• https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.json
• https://sick.com/psirt
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdf

• Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways
• Missing Authentication for Critical Function in Bosch Rexroth SLC-0-GPNT00300