Detections
Analytics
Siemens SIMATIC S7-1500 TM MFP Linux Kernel Loop with Unreachable Exit Condition ('Infinite Loop') (CVE-2022-42721)
medium Tenable OT Security Plugin ID 502962
Synopsis
The remote OT asset is affected by a vulnerability.Description
A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to corrupt a linked list and, in turn, potentially execute code.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: 502962
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: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2022-42721
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:N/I:N/A:H
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-2022-42721
CWE: 835
ICSA: 23-166-11