Detections
Analytics

Schneider Electric MiCOM Use of Hard-coded Credentials (CVE-2026-4832)

medium Tenable OT Security Plugin ID 505358

Synopsis

The remote OT asset is affected by a vulnerability.

Description

CWE-798 Use of Hard-coded Credentials vulnerability exists that could cause unauthorized access to sensitive device information when an unauthenticated attacker is able to interrogate the SNMP port.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.se.com/ww/en/download/document/7EN52-0390/

http://www.nessus.org/u?ab24b6ae

Plugin Details

Severity: Medium

ID: 505358

File Name: tenable_ot_schneider_CVE-2026-4832.nasl

Version: 1.2

Type: Remote

Family: Tenable.ot

Published: 5/28/2026

Updated: 6/1/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2026-4832

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:schneider-electric:micom_p141_firmware, cpe:/o:schneider-electric:micom_p544_firmware, cpe:/o:schneider-electric:micom_p545_firmware, cpe:/o:schneider-electric:micom_p746_firmware, cpe:/o:schneider-electric:micom_p345_firmware, cpe:/o:schneider-electric:micom_p241_firmware, cpe:/o:schneider-electric:micom_p645_firmware, cpe:/o:schneider-electric:micom_p343_firmware, cpe:/o:schneider-electric:micom_p742_firmware, cpe:/o:schneider-electric:micom_p145_firmware, cpe:/o:schneider-electric:micom_p344_firmware, cpe:/o:schneider-electric:micom_p243_firmware, cpe:/o:schneider-electric:micom_p841_firmware, cpe:/o:schneider-electric:micom_p743_firmware, cpe:/o:schneider-electric:micom_p543_firmware, cpe:/o:schneider-electric:micom_p442_firmware, cpe:/o:schneider-electric:micom_p443_firmware, cpe:/o:schneider-electric:micom_p144_firmware, cpe:/o:schneider-electric:micom_p643_firmware, cpe:/o:schneider-electric:micom_p142_firmware, cpe:/o:schneider-electric:micom_p446_firmware, cpe:/o:schneider-electric:micom_p546_firmware, cpe:/o:schneider-electric:micom_p245_firmware, cpe:/o:schneider-electric:micom_p341_firmware, cpe:/o:schneider-electric:micom_p445_firmware, cpe:/o:schneider-electric:micom_p143_firmware, cpe:/o:schneider-electric:micom_p849_firmware, cpe:/o:schneider-electric:micom_p242_firmware, cpe:/o:schneider-electric:micom_p342_firmware, cpe:/o:schneider-electric:micom_p741_firmware, cpe:/o:schneider-electric:micom_p642_firmware, cpe:/o:schneider-electric:micom_p444_firmware, cpe:/o:schneider-electric:micom_p246_firmware

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 4/14/2026

Vulnerability Publication Date: 4/14/2026

Reference Information

CVE: CVE-2026-4832

CWE: 798