What is CVE-2023-23451?

CVE-2023-23451 is a critical-severity vulnerability in Sick Fx0-Gent00000, classified under CWE-477. CVSS score: 9.8/10. Published 2023-04-19.

How severe is CVE-2023-23451?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Sick Fx0-Gent00000

CVE-2023-23451

The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK UE410-EN1 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK UE410-EN3S04 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK UE410-EN4 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK FX0-GENT00000 FLEXISOFT EIP GATEW. with serial number <=2311xxxx with Firmware <=V2.11.0, SICK FX0-GMOD00000 FLEXISOFT MOD GATEW. with serial number <=2311xxxx with Firmware <=V2.11.0, SICK FX0-GPNT00000 FLEXISOFT PNET GATEW. with serial number <=2311xxxx with Firmware <=V2.12.0, SICK FX0-GENT00030 FLEXISOFT EIP GATEW.V2 with serial number <=2311xxxx all Firmware versions, SICK FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 with serial number <=2311xxxx all Firmware versions and SICK FX0-GMOD00010 FLEXISOFT MOD GW with serial number <=2311xxxx with Firmware <=V2.11.0 all have Telnet enabled by factory default. No password is set in the default configuration.

EPSS: 0.006 (47.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

psirt@sick.de (Vendor Advisory)

Frequently asked questions

What is CVE-2023-23451?: CVE-2023-23451 is a critical-severity vulnerability in Sick Fx0-Gent00000, classified under CWE-477. CVSS score: 9.8/10. Published 2023-04-19.
How severe is CVE-2023-23451?: Critical severity. CVSS v3 base score is 9.8 out of 10.