What’s Vulnerable › Vulnerabilities

CVE-2023-23449

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% 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-204

Description

Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker to gain information about valid usernames by analyzing challenge responses from the server 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-2023-23449 or the next vulnerability affects your stack