8.2
HIGH
CVSS 3.1
CVE-2023-23444
SICK Flexi Classic and Flexi Soft Gateways Authentication Bypass
Overview
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.
Details
INFO
Published Date :
May 12, 2023, 1:15 p.m.
Last Modified :
June 17, 2026, 5:37 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Impact
Affected Products
The following products are affected by CVE-2023-23444
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-23444.
| URL | Resource |
|---|---|
| https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.json | Vendor Advisory |
| https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdf | Vendor Advisory |
| https://sick.com/psirt | Vendor Advisory |
| https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.json | Vendor Advisory |
| https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdf | Vendor Advisory |
| https://sick.com/psirt | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-23444 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-23444
weaknesses.
CAPEC-12: Choosing Message Identifier Choosing Message Identifier
CAPEC-36: Using Unpublished Interfaces or Functionality Using Unpublished Interfaces or Functionality
CAPEC-62: Cross Site Request Forgery Cross Site Request Forgery
CAPEC-166: Force the System to Reset Values Force the System to Reset Values
CAPEC-216: Communication Channel Manipulation Communication Channel Manipulation
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-23444 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-23444 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'SICK AG', 'product': 'UE410-EN3 FLEXI ETHERNET GATEW.', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'UE410-EN1 FLEXI ETHERNET GATEW.', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'UE410-EN4 FLEXI ETHERNET GATEW.', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GENT00000 FLEXISOFT EIP GATEW.', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GMOD00000 FLEXISOFT MOD GATEW.', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GPNT00000 FLEXISOFT PNET GATEW.', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GENT00030 FLEXISOFT EIP GATEW.V2', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GPNT00030 FLEXISOFT PNET GATEW.V2', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GMOD00010 FLEXISOFT MOD GW (C)', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX3-GEPR00000 FLEXISOFT EFI-PRO GW', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX3-GEPR00010 FLEXISOFT EFI-PRO GW', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GETC00000 FLEXISOFT ETC GW', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GETC00040 FLEXISOFT ETC GW', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GETC00010 FLEXISOFT ETC GW (C)', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GENT00010 FLEXISOFT EIP GW (C)', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GPNT00010 FLEXISOFT PNET GW (C)', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'UE410-EN3 FLEXI ETHERNET GATEW. Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'UE410-EN1 FLEXI ETHERNET GATEW. Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'UE410-EN4 FLEXI ETHERNET GATEW. Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GENT00000 FLEXISOFT EIP GATEW. Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GMOD00000 FLEXISOFT MOD GATEW. Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GPNT00000 FLEXISOFT PNET GATEW. Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GENT00030 FLEXISOFT EIP GATEW.V2 Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GMOD00010 FLEXISOFT MOD GW (C) Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX3-GEPR00000 FLEXISOFT EFI-PRO GW Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX3-GEPR00010 FLEXISOFT EFI-PRO GW Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GETC00000 FLEXISOFT ETC GW Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GETC00040 FLEXISOFT ETC GW Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GETC00010 FLEXISOFT ETC GW (C) Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GENT00010 FLEXISOFT EIP GW (C) Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}, {'vendor': 'SICK AG', 'product': 'FX0-GPNT00010 FLEXISOFT PNET GW (C) Firmware', 'versions': [{'status': 'affected', 'version': 'all firmware versions'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2023-23444', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2025-01-24T16:15:46.625483Z'} -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 24, 2025
Action Type Old Value New Value Added CWE CWE-306 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.json Added Reference https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdf Added Reference https://sick.com/psirt -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
May. 26, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Changed Reference Type https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.json No Types Assigned https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.json Vendor Advisory Changed Reference Type https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdf No Types Assigned https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdf Vendor Advisory Changed Reference Type https://sick.com/psirt No Types Assigned https://sick.com/psirt Vendor Advisory Added CWE NIST CWE-306 Added CPE Configuration AND OR *cpe:2.3:o:sick:ue410-en4_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:ue410-en4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:ue410-en3_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:ue410-en3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:ue410-en1_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:ue410-en1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gpnt00030_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gpnt00030:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gpnt00010_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gpnt00010:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gpnt00000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gpnt00000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gmod00010_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gmod00010:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gmod00000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gmod00000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gent00030_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gent00030:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gent00010_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gent00010:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sick:fx0-gent00000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:sick:fx0-gent00000:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.