CVE-2023-23453

Name: CVE-2023-23453
Creator: NVD / NIST
Published: 2023-02-20T23:15:12.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.10%

Last modified Jun 17, 2026

CVE-2023-23453 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Missing Authentication for Critical Function in SICK FX0-GENT v3 Firmware Version V3.04 and V3.05 allows an unprivileged remote attacker to achieve arbitrary remote code execution via maliciously crafted RK512 commands to the listener on TCP port 9000.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

Missing Authentication for Critical Function in SICK FX0-GENT v3 Firmware Version V3.04 and V3.05 allows an unprivileged remote attacker to achieve arbitrary remote code execution via maliciously crafted RK512 commands to the listener on TCP port 9000.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.10%

61.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sick	Fx0-Gent00010 Firmware	3.04
Sick	Fx0-Gent00010 Firmware	3.05
Sick	Fx0-Gent00000 Firmware	3.04
Sick	Fx0-Gent00000 Firmware	3.05

References

https://sick.com/psirtVendor Advisory
https://sick.com/psirtVendor Advisory

Timeline

Published: Feb 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-23453?

How severe is CVE-2023-23453?

CVE-2023-23453 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2023-23453?

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-2023-23453?

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

Scan your code now

Source: NVD / NIST