Siemens SIMATIC S7-1500 TM MFP Linux Kernel Incomplete Cleanup (CVE-2022-21125)

medium Tenable OT Security Plugin ID 503030

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Incomplete cleanup of microarchitectural fill buffers on some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

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://cert-portal.siemens.com/productcert/pdf/ssa-794697.pdf

https://support.industry.siemens.com/cs/ww/en/view/109827684/

https://www.cisa.gov/news-events/ics-advisories/icsa-23-166-11

Plugin Details

Severity: Medium

ID: 503030

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 2/25/2025

Updated: 2/26/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2022-21125

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: cpe:/o:siemens:simatic_s7-1500_tm_mfp

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/13/2023

Vulnerability Publication Date: 6/13/2023

Reference Information

CVE: CVE-2022-21125

CWE: 459

ICSA: 23-166-11