CVE-2023-23449

Name: CVE-2023-23449
Creator: NVD / NIST
Published: 2023-05-15T11:15:09.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2023-23449 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.78%

51.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
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-Esr50sxx Firmware	< 2.0
Sick	Ftmg-Esr40sxx Firmware	< 2.0
Sick	Ftmg-Esd15axx Firmware	< 2.0

References

https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.jsonVendor Advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdfVendor Advisory
https://sick.com/psirtVendor Advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.jsonVendor Advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdfVendor Advisory
https://sick.com/psirtVendor Advisory

Timeline

Published: May 15, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-23449?

How severe is CVE-2023-23449?

CVE-2023-23449 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2023-23449?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-23449?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST