Detections
Analytics

Moxa IKS, EDS Missing Encryption of Sensitive Data (CVE-2019-6526)

critical Tenable OT Security Plugin ID 501469

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Moxa IKS-G6824A series Versions 4.5 and prior, EDS-405A series Version 3.8 and prior, EDS-408A series Version 3.8 and prior, and EDS-510A series Version 3.8 and prior use plaintext transmission of sensitive data, which may allow an attacker to capture sensitive data such as an administrative password.

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

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Moxa recommends users implement the following measures to mitigate these vulnerabilities.

- Install firmware patch. Patches may be requested from Moxa Customer Service (login required):
- Set EDS series Web configuration as "https only” to reduce predictable session ID concern.

Please see Moxa’s security advisory for more information.

See Also

https://ics-cert.us-cert.gov/advisories/ICSA-19-057-01

Plugin Details

Severity: Critical

ID: 501469

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 8/2/2023

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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-2019-6526

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:moxa:eds-408a_firmware, cpe:/o:moxa:iks-g6824a_firmware, cpe:/o:moxa:eds-405a_firmware, cpe:/o:moxa:eds-510a_firmware

Required KB Items: Tenable.ot/Moxa

Exploit Ease: No known exploits are available

Patch Publication Date: 4/15/2019

Vulnerability Publication Date: 4/15/2019

Reference Information

CVE: CVE-2019-6526

CWE: 319

ICSA: 19-057-01