CVE-2023-23445 Missing authorization in SICK FTMG-ESD15AXX AIR FLOW SENSOR

High 7.5 Published 15 May 2023 Updated 1 Jun 2026

Unprivileged remote attackers can access sensitive data fields via the REST interface due to improper access control in SICK air flow sensors.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-23445?

CVE-2023-23445 is a high-severity missing authorization vulnerability in SICK FTMG-ESD15AXX AIR FLOW SENSOR, published on 15 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Access Control in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows an unprivileged remote attacker to gain unauthorized access to data fields by using a therefore unpriviledged account via the REST interface.

Weakness: CWE-863, CWE-284

Which versions are affected by CVE-2023-23445?

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-2023-23445?

No fix has been published for CVE-2023-23445 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-23445 being exploited?

There is no known exploitation of CVE-2023-23445 in the wild and no public exploit code.

Sources

Also known as GHSA-9pr5-qq3c-fcv3.