CVE-2023-23445

Summary

CVE	CVE-2023-23445
State	PUBLISHED
Assigner	SICK AG
Source Priority	CVE Program / NVD first with legacy fallback
Published	2023-05-15 11:15:09 UTC
Updated	2026-06-01 13:16:22 UTC
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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.004090000 probability, percentile 0.615930000 (date 2026-06-04)

Problem Types: CWE-284 | CWE-863 | CWE-284 CWE-284 Improper Access Control

Version	Source	Type	Score	Severity	Vector
3.1	[email protected]	Primary	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
3.1	[email protected]	Secondary	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
3.1	CNA	CVSS	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`

CVSS v3.1 Breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Sick	Ftmg-esd15axx	-	All	All	All
Operating System	Sick	Ftmg-esd15axx Firmware	All	All	All	All
Hardware	Sick	Ftmg-esd20axx	-	All	All	All
Operating System	Sick	Ftmg-esd20axx Firmware	All	All	All	All
Hardware	Sick	Ftmg-esd25axx	-	All	All	All
Operating System	Sick	Ftmg-esd25axx Firmware	All	All	All	All
Hardware	Sick	Ftmg-esn40sxx	-	All	All	All
Operating System	Sick	Ftmg-esn40sxx Firmware	All	All	All	All
Hardware	Sick	Ftmg-esn50sxx	-	All	All	All
Operating System	Sick	Ftmg-esn50sxx Firmware	All	All	All	All
Hardware	Sick	Ftmg-esr40sxx	-	All	All	All
Operating System	Sick	Ftmg-esr40sxx Firmware	All	All	All	All
Hardware	Sick	Ftmg-esr50sxx	-	All	All	All
Operating System	Sick	Ftmg-esr50sxx Firmware	All	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	SICK AG	SICK FTMG-ESD15AXX AIR FLOW SENSOR	affected all firmware versions	Not specified
CNA	SICK AG	SICK FTMG-ESD20AXX AIR FLOW SENSOR	affected all firmware versions	Not specified
CNA	SICK AG	SICK FTMG-ESD25AXX AIR FLOW SENSOR	affected all firmware versions	Not specified
CNA	SICK AG	SICK FTMG-ESN40SXX AIR FLOW SENSOR	affected all firmware versions	Not specified
CNA	SICK AG	SICK FTMG-ESN50SXX AIR FLOW SENSOR	affected all firmware versions	Not specified
CNA	SICK AG	SICK FTMG-ESR40SXX AIR FLOW SENSOR	affected all firmware versions	Not specified
CNA	SICK AG	SICK FTMG-ESR50SXX AIR FLOW SENSOR	affected all firmware versions	Not specified

References

Reference	Source	Link	Tags
The SICK Product Security Incident Response Team (SICK PSIRT) \| SICK	af854a3a-2127-422b-91ae-364da2661108	sick.com	Vendor Advisory
sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdf	af854a3a-2127-422b-91ae-364da2661108	sick.com	Vendor Advisory
sick.com/.well-known/csaf/white/2023/sca-2023-0004.json	af854a3a-2127-422b-91ae-364da2661108	sick.com	Vendor Advisory
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Additional Advisory Data

Workarounds

CNA: Please make sure that you apply general security practices when operating the SICK FTMg like network segmentation. The following General Security Practices and Operating Guidelines could mitigate the associated security risk.

There are currently no legacy QID mappings associated with this CVE.