Siemens InsydeH2O Plaintext Storage of a Password (CVE-2021-38489)

high Tenable OT Security Plugin ID 503051

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An issue was discovered in the the HddPasswordPei driver of the Insyde InsydeH2O 5.x. HDD password is stored in plaintext.

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

http://www.nessus.org/u?615a232f

https://www.insyde.com/security-pledge/sa-2022025/

Plugin Details

Severity: High

ID: 503051

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 3/12/2025

Updated: 3/12/2025

Supported Sensors: Tenable OT Security

Risk Information

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:insyde:insydeh2o:5.3, cpe:/o:insyde:insydeh2o:5.2, cpe:/o:insyde:insydeh2o:5.4, cpe:/o:insyde:insydeh2o:5.1, cpe:/o:insyde:insydeh2o:5.5

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 2/21/2022

Vulnerability Publication Date: 2/21/2022

Reference Information

CVE: CVE-2021-38489

CWE: 256