Detections
Analytics
Siemens SCALANCE W700 NULL Pointer Dereference (CVE-2022-47929)
medium Tenable OT Security Plugin ID 502917
Synopsis
The remote OT asset is affected by a vulnerability.Description
In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with tc qdisc and tc class commands.This affects qdisc_graft in net/sched/sch_api.c.
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://cert-portal.siemens.com/productcert/html/ssa-769027.html
https://support.industry.siemens.com/cs/ww/en/view/109977720/
https://support.industry.siemens.com/cs/ww/en/view/109827684/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-044-09
Plugin Details
Severity: Medium
ID: 502917
Version: 1.2
Type: remote
Family: Tenable.ot
Published: 2/24/2025
Updated: 2/25/2025
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-2022-47929
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:scalance_wam763-1_firmware:3.0.0, cpe:/o:siemens:scalance_wab762-1_firmware:3.0.0, cpe:/o:siemens:scalance_wam763-1_%28me%29_firmware:3.0.0, cpe:/o:siemens:scalance_wum766-1_%28me%29_firmware:3.0.0, cpe:/o:siemens:scalance_wam766-1_eec_%28us%29_firmware:3.0.0, cpe:/o:siemens:scalance_wam766-1_%28us%29_firmware:3.0.0, cpe:/o:siemens:scalance_wam766-1_eec_%28me%29_firmware:3.0.0, cpe:/o:siemens:scalance_wub762-1_firmware:3.0.0, cpe:/o:siemens:scalance_wum766-1_%28usa%29_firmware:3.0.0, cpe:/o:siemens:scalance_wub762-1_ifeatures_firmware:3.0.0, cpe:/o:siemens:scalance_wum766-1_firmware:3.0.0, cpe:/o:siemens:scalance_wam766-1_eec_firmware:3.0.0, cpe:/o:siemens:simatic_s7-1500_tm_mfp, cpe:/o:siemens:scalance_wam766-1_%28me%29_firmware:3.0.0, cpe:/o:siemens:scalance_wum763-1_firmware:3.0.0, cpe:/o:siemens:scalance_wam766-1_firmware:3.0.0, cpe:/o:siemens:scalance_wam763-1_%28us%29_firmware:3.0.0, cpe:/o:siemens:scalance_wum763-1_%28us%29_firmware:3.0.0
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-2022-47929
CWE: 476
ICSA: 25-044-09