Back to Database
Status published
Medium
CVE-2023-23449
Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-23449
Credits & Attribution
No credits recorded in the NVD database.
References
More from SICK AG
View All →CVE-2025-9914
The credentials of the users stored in the system's local...
Medium
4.3
CVE-2025-9913
Cross Site Scripting: Session Hijacking
Medium
4.5
CVE-2025-59463
Denial-of-service (DoS) via chunk size mismatch
Medium
4.3
CVE-2025-59462
Denial-of-service (DoS) via delayed or missing client response
Medium
6.5
CVE-2025-59461
API does not require authentication
High
7.6
Affected Vendor
SICK AG
View all reports →Affected Software
SICK FTMG-ESD15AXX AIR FLOW SENSOR, SICK FTMG-ESD20AXX AIR FLOW SENSOR, SICK FTMG-ESD25AXX AIR FLOW SENSOR, SICK FTMG-ESN40SXX AIR FLOW SENSOR, SICK FTMG-ESN50SXX AIR FLOW SENSOR, SICK FTMG-ESR40SXX AIR FLOW SENSOR, SICK FTMG-ESR50SXX AIR FLOW SENSOR
Vulnerable Versions:
all firmware versions
Timeline
Official Publish:
May 15th, 2023
Last Modified:
June 1st, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.