CVE-2019-9103

mediumpriority · track · 21EPSS 0.013 · 70 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.28% (70th) EPSS

CVSS 5 · medium

Is it mine?

17 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB3660 devices before 2.3, and MB3180 devices before 2.1. An attacker can access sensitive information (e.g., conduct username disclosure attacks) on the built-in WEB-service without authorization.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedweidmueller_psirt
For all potential vulnerabilities, customers can download a patched firmware to secure their Modbus TCP/RTU Gateways properly. Please download and install the latest firmware for your device by following the procedure below: 1. Go to [www.weidmueller.com](https://www.weidmueller.com) (external link). 2. Enter the product number of the Modbus TCP/RTU Gateway you want to update into the search field and press "Enter". 3. On the next page, expand the drop-down menu **"SHOW DOWNLOADS"**. 4. Download the respective firmware from the download table. 5. Install the firmware on your device. Find below the appropriate patched firmware versions for all affected products: | Product number | Product name | Patched firmware version | |----------------|-------------------------------|------------------------------| | 1504460000 | IE-GW-MB-2TX-1RS232/485 | V2.1 (Build 21072817) | | 1504470000 | IE-GWT-MB-2TX-1RS232/485 | V2.1 (Build 21072817) |

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:Nsecondary · ENISA EU

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · cve@mitre.org USexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · Weidmüller PSIRT DE

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimaryCWE-200USCWE-200US

affected products (17)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Moxa Inc. Moxa MGate MB3170≤ 4.0fstec_bduRU
Moxa Inc. Moxa MGate MB3180≤ 2.0fstec_bduRU
Moxa Inc. Moxa MGate MB3270≤ 4.0fstec_bduRU
Moxa Inc. Moxa MGate MB3280≤ 3.0fstec_bduRU
Moxa Inc. Moxa MGate MB3480≤ 3.0fstec_bduRU
Moxa Inc. Moxa MGate MB3660≤ 2.2fstec_bduRU
moxa mb3170 firmware≤ 4.0nvdUScpe:2.3:o:moxa:mb3170_firmware:*:*:*:*:*:*:*:*
moxa mb3180 firmware≤ 2.0nvdUScpe:2.3:o:moxa:mb3180_firmware:*:*:*:*:*:*:*:*
moxa mb3270 firmware≤ 4.0nvdUScpe:2.3:o:moxa:mb3270_firmware:*:*:*:*:*:*:*:*
moxa mb3280 firmware≤ 3.0nvdUScpe:2.3:o:moxa:mb3280_firmware:*:*:*:*:*:*:*:*
moxa mb3480 firmware≤ 3.0nvdUScpe:2.3:o:moxa:mb3480_firmware:*:*:*:*:*:*:*:*
moxa mb3660 firmware≤ 2.2nvdUScpe:2.3:o:moxa:mb3660_firmware:*:*:*:*:*:*:*:*
Firmware V1.0 (Build 14050818) installed on IE-GW-MB-2TX-1RS232/485all versionsweidmueller_psirtDE
Firmware V1.0 (Build 14050818) installed on IE-GWT-MB-2TX-1RS232/485all versionsweidmueller_psirtDE
Firmware V2.1 (Build 21072817) installed on IE-GW-MB-2TX-1RS232/485all versionsfixedweidmueller_psirtDE
Firmware V2.1 (Build 21072817) installed on IE-GWT-MB-2TX-1RS232/485all versionsfixedweidmueller_psirtDE

advisories (1)

Vendor and ecosystem advisories describing this.

VDE-2022-008WEIDMUELLER: Multiple vulnerabilities in Modbus TCP/RTU Gateways2022-04-07csaf · weidmueller_psirtDE
Multiple issues have been found in the affected products. See CVE descriptions for details.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd weidmueller_psirt NVD CVE.org MITRE

published 2020-03-11modified 2026-06-17

related (19,391)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-20133US	high7.5OT critical	31.5% (98th)	KEV	2026-02-25
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due…
CVE-2026-20128US	—OT critical	7.32% (94th)	KEV	2026-02-25
A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affect…
CVE-2026-20122US	medium5.4OT critical	25.8% (98th)	KEV	2026-02-25
A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vul…
CVE-2025-68686US	—OT critical	29.5% (98th)	KEV	2026-02-10
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.…
CVE-2026-20805US	—OT critical	7.46% (94th)	KEV	2026-01-13
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

+19386 more

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan