Authentication Bypass by Capture-replay in Sick AG products - CVE-2023-5246

Vulnerability identifier: #VU82360

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2023-5246

CWE-ID: CWE-294

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Sick AG

Affected software:
SICK FX0-GENT00000
SICK FX0-GENT00010
SICK FX0-GENT00030
SICK FX0-GETC00000
SICK FX0-GETC00010
SICK FX0-GMOD00000
SICK FX0-GMOD00010
SICK FX0-GMOD00030
SICK FX0-GPNT00000
SICK FX0-GPNT00010
SICK FX0-GPNT00030
SICK FX3-GEPR00000
SICK FX3-GEPR00010

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authentication bypass by capture-replay. A remote attacker can bypass authentication on the target gateways.

Install updates from vendor's website.

• https://sick.com/.well-known/csaf/white/2023/sca-2023-0011.pdf
• https://sick.com/psirt
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0011.json