Missing Authentication for Critical Function in Fr. Sauter AG products - CVE-2023-0052

 

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: 9.3 [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]
CVE-ID: CVE-2023-0052
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


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)

How to mitigate CVE-2023-0052

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


External References

Related Security Bulletins