SICK FX0-GMOD00010 Telnet obsolete function

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.8$0-$5k0.00

Summaryinfo

A vulnerability identified as very critical has been detected in SICK UE410-EN3, UE410-EN1, UE410-EN3S04, UE410-EN4, FX0-GENT00000, FX0-GMOD00000, FX0-GPNT00000, FX0-GENT00030, FX0-GPNT00030 and FX0-GMOD00010. Affected by this issue is some unknown functionality of the component Telnet. The manipulation leads to use of obsolete function. This vulnerability is referenced as CVE-2023-23451. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in SICK UE410-EN3, UE410-EN1, UE410-EN3S04, UE410-EN4, FX0-GENT00000, FX0-GMOD00000, FX0-GPNT00000, FX0-GENT00030, FX0-GPNT00030 and FX0-GMOD00010. This issue affects some unknown functionality of the component Telnet. The manipulation with an unknown input leads to a use of obsolete function vulnerability. Using CWE to declare the problem leads to CWE-477. The code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintained. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was published 04/20/2023. The identification of this vulnerability is CVE-2023-23451 since 01/12/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/07/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27551). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of obsolete function
CWE: CWE-477 / CWE-474
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2023 🔍
04/20/2023 +97 days 🔍
04/20/2023 +0 days 🔍
10/07/2025 +901 days 🔍

Sourcesinfo

Advisory: sick.com
Status: Not defined

CVE: CVE-2023-23451 (🔍)
GCVE (CVE): GCVE-0-2023-23451
GCVE (VulDB): GCVE-100-226865
EUVD: 🔍

Entryinfo

Created: 04/20/2023 07:36
Updated: 10/07/2025 17:08
Changes: 04/20/2023 07:36 (35), 05/14/2023 09:50 (1), 05/14/2023 09:52 (9), 02/05/2025 18:42 (15), 10/07/2025 17:08 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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