Missing Authentication for Critical Function in Fr. Sauter AG products - CVE-2023-0052
Published: January 16, 2023
Vulnerability identifier: #VU71171
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-2023-0052
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fr. Sauter AG
Affected software:
Nova 220 (EYK220F001) DDC with BACnet connection
Nova 230 (EYK230F001) DDC with BACnet connection
Nova 106 (EYK300F001) BACnet communication card
moduNet300 (EY-AM300F001)
moduNet300 (EY-AM300F002)
Nova 220 (EYK220F001) DDC with BACnet connection
Nova 230 (EYK230F001) DDC with BACnet connection
Nova 106 (EYK300F001) BACnet communication card
moduNet300 (EY-AM300F001)
moduNet300 (EY-AM300F002)
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing authentication for critical function within the affected software with BACnetstac version 4.2.1 and prior. A remote attacker can access the system and modify the device configuration, leading to arbitrary commands execution.
How to mitigate CVE-2023-0052
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.