What’s Vulnerable › Vulnerabilities

CVE-2023-23447

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-15 · updated 2026-06-17
• Weakness: CWE-400

Description

Uncontrolled Resource Consumption in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows an unprivileged remote attacker to influence the availability of the webserver by invocing several open file requests via the REST interface.

Affected products

• SICK Ftmg-Esd15Axx Firmware: before 2.0 — fixed in 2.0
• SICK Ftmg-Esd20Axx Firmware: before 2.0 — fixed in 2.0
• SICK Ftmg-Esd25Axx Firmware: before 2.0 — fixed in 2.0
• SICK Ftmg-Esn40Sxx Firmware: before 2.0 — fixed in 2.0
• SICK Ftmg-Esn50Sxx Firmware: before 2.0 — fixed in 2.0
• SICK Ftmg-Esr40Sxx Firmware: before 2.0 — fixed in 2.0
• SICK Ftmg-Esr50Sxx Firmware: before 2.0 — fixed in 2.0

How to fix

Upgrade to a fixed version: SICK Ftmg-Esd15Axx Firmware 2.0; SICK Ftmg-Esd20Axx Firmware 2.0; SICK Ftmg-Esd25Axx Firmware 2.0; SICK Ftmg-Esn40Sxx Firmware 2.0; SICK Ftmg-Esn50Sxx Firmware 2.0; SICK Ftmg-Esr40Sxx Firmware 2.0; SICK Ftmg-Esr50Sxx Firmware 2.0. Check the vendor advisory for mitigations.

References

• https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.json
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdf
• https://sick.com/psirt
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.json
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdf
• https://sick.com/psirt

Get alerted when CVE-2023-23447 or the next vulnerability affects your stack