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CVE-2023-23449

MEDIUM
5.3
CVSS Score
Published: May 15, 2023 at 10:54 AM UTC
Updated: June 17, 2026 at 05:37 AM UTC
14 products affected across 1 vendorFtmg ESD15AXX FirmwareFtmg ESR40SXX FirmwareFtmg ESN40SXX Firmware

Using SICK FTMG-ESD15AXX AIR FLOW SENSOR by SICK AG?

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ftmg ESD15AXX Firmware· Sick
95%
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
sick-ftmg-esd15axx (same device)
Ftmg ESD20AXX Firmware· Sick
95%
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
sick-ftmg-esd20axx (same device)
Ftmg ESD25AXX Firmware· Sick
95%
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
sick-ftmg-esd25axx (same device)
Ftmg ESN40SXX Firmware· Sick
95%
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
sick-ftmg-esn40sxx (same device)
Ftmg ESN50SXX Firmware· Sick
95%
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
sick-ftmg-esn50sxx (same device)
Ftmg ESR40SXX Firmware· Sick
95%
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
sick-ftmg-esr40sxx (same device)
Ftmg ESR50SXX Firmware· Sick
95%
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
sick-ftmg-esr50sxx (same device)
Ftmg ESD15AXX· Sick
60%
all firmware versions
Ftmg ESD20AXX· Sick
60%
all firmware versions
Ftmg ESD25AXX· Sick
60%
all firmware versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_csafVendor Advisory
Source: [email protected]
https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.json
Vendor Advisory
Source: [email protected]
https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdf
Issue TrackingVendor Advisory
Source: [email protected]
https://sick.com/psirt

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMSICK AG
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-204CWE-203

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