Janitza UMG Power Quality Measuring Weak Authentication (CVE-2015-3972)

critical Tenable OT Security Plugin ID 501963


The remote OT asset is affected by a vulnerability.


The web interface on Janitza UMG 508, 509, 511, 604, and 605 devices supports only short PIN values for authentication, which makes it easier for remote attackers to obtain access via a brute-force attack.

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


Refer to the vendor advisory.

See Also


Plugin Details

Severity: Critical

ID: 501963

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 2/12/2024

Updated: 2/12/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2015-3972

Vulnerability Information

CPE: cpe:/h:janitza:umg_508:-, cpe:/h:janitza:umg_509:-, cpe:/h:janitza:umg_511:-, cpe:/h:janitza:umg_604:-, cpe:/h:janitza:umg_605:-

Required KB Items: Tenable.ot/Janitza

Exploit Ease: No known exploits are available

Patch Publication Date: 10/28/2015

Vulnerability Publication Date: 10/28/2015

Reference Information

CVE: CVE-2015-3972

CWE: 254