CVE-2023-23444

Name: CVE-2023-23444
Creator: NVD / NIST
Published: 2023-05-12T13:15:09.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 1.17%

Last modified Jun 17, 2026

CVE-2023-23444 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.

Metrics

CVSS 3.1

8.2/10

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

EPSS Probability

1.17%

63.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sick	Ue410-En4 Firmware	All versions
Sick	Ue410-En3 Firmware	All versions
Sick	Ue410-En1 Firmware	All versions
Sick	Fx0-Gpnt00030 Firmware	All versions
Sick	Fx0-Gpnt00010 Firmware	All versions
Sick	Fx0-Gpnt00000 Firmware	All versions
Sick	Fx0-Gmod00010 Firmware	All versions
Sick	Fx0-Gmod00000 Firmware	All versions
Sick	Fx0-Gent00030 Firmware	All versions
Sick	Fx0-Gent00010 Firmware	All versions
Sick	Fx0-Gent00000 Firmware	All versions

References

https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.jsonVendor Advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdfVendor Advisory
https://sick.com/psirtVendor Advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.jsonVendor Advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdfVendor Advisory
https://sick.com/psirtVendor Advisory

Timeline

Published: May 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-23444?

How severe is CVE-2023-23444?

CVE-2023-23444 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.

How do I fix CVE-2023-23444?

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-2023-23444?

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

Scan your code now

Source: NVD / NIST