CVE-2023-23451 Hardcoded credentials in SICK FX0-GENT00000, SICK FX0-GENT00030, SICK FX0-GMOD00000, SICK FX0-GMOD00010, SICK FX0-GPNT00000, SICK FX0-GPNT00030, SICK UE410-EN1, SICK UE410-EN3, SICK UE410-EN3S04, SICK UE410-EN4

Critical 9.8 Published Updated

Attackers can gain unauthorized access to SICK industrial gateways via Telnet because it is enabled by default without a password.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-23451?

CVE-2023-23451 is a critical vulnerability in SICK FX0-GENT00000, SICK FX0-GENT00030, SICK FX0-GMOD00000, SICK FX0-GMOD00010, SICK FX0-GPNT00000, SICK FX0-GPNT00030, SICK UE410-EN1, SICK UE410-EN3, SICK UE410-EN3S04, SICK UE410-EN4, published on 19 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-306, CWE-477

Which versions are affected by CVE-2023-23451?

It affects 10 products.

Products include Sick Fx0-Gent00000 Firmware, Sick Fx0-Gent00030 Firmware, Sick Fx0-Gmod00000 Firmware, Sick Fx0-Gmod00010 Firmware, Sick Fx0-Gpnt00000 Firmware, Sick Fx0-Gpnt00030 Firmware and 4 more.

How do I fix CVE-2023-23451?

No fix has been published for CVE-2023-23451 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-23451 being exploited?

There is no known exploitation of CVE-2023-23451 in the wild and no public exploit code.

Sources

Also known as GHSA-j4pp-rp58-2qhj.

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