CVE-2023-23450 Auth bypass in SICK FTMG-ESD15AXX AIR FLOW SENSOR

Medium 6.2 Published 15 May 2023 Updated 1 Jun 2026

An unprivileged remote attacker can bypass authentication on SICK air flow sensors by using a password hash instead of the actual password via the REST interface.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-23450?

CVE-2023-23450 is a medium-severity authentication bypass vulnerability in SICK FTMG-ESD15AXX AIR FLOW SENSOR, published on 15 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use of Password Hash Instead of Password for Authentication in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows an unprivileged remote attacker to use a password hash instead of an actual password to login to a valid user account via the REST interface.

Weakness: CWE-287, CWE-836

Which versions are affected by CVE-2023-23450?

It affects 7 products.

Products include Sick Ftmg-Esd15axx Firmware, Sick Ftmg-Esd20axx Firmware, Sick Ftmg-Esd25axx Firmware, Sick Ftmg-Esn40sxx Firmware, Sick Ftmg-Esn50sxx Firmware, Sick Ftmg-Esr40sxx Firmware and 1 more.

How do I fix CVE-2023-23450?

No fix has been published for CVE-2023-23450 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-23450 being exploited?

There is no known exploitation of CVE-2023-23450 in the wild and no public exploit code.

Sources

Also known as GHSA-qrx5-hc62-qwv6.