Siemens SCALANCE M-800 Missing Encryption of Sensitive Data (CVE-2023-28450)

high Tenable OT Security Plugin ID 502668

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020.

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/html/ssa-354112.html

https://support.industry.siemens.com/cs/ww/en/view/109976047/

https://support.industry.siemens.com/cs/ww/en/view/109826613/

https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-06

Plugin Details

Severity: High

ID: 502668

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 11/18/2024

Updated: 11/26/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-28450

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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_mum853-1_%28eu%29_firmware, cpe:/o:siemens:scalance_m874-2_firmware, cpe:/o:siemens:scalance_m876-3_firmware, cpe:/o:siemens:scalance_m876-4_firmware, cpe:/o:siemens:scalance_m876-4_%28eu%29_firmware, cpe:/o:siemens:scalance_xrm334_firmware, cpe:/o:siemens:scalance_mum856-1_%28eu%29_firmware, cpe:/o:siemens:scalance_mum853-1_%28a1%29_firmware, cpe:/o:siemens:scalance_xcm332_firmware, cpe:/o:siemens:scalance_m804pb_firmware, cpe:/o:siemens:scalance_mum856-1_%28cn%29_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_nam_firmware, cpe:/o:siemens:scalance_m874-3_firmware, cpe:/o:siemens:scalance_xch328_firmware, cpe:/o:siemens:scalance_mum856-1_%28a1%29_firmware, cpe:/o:siemens:scalance_xrh334_firmware, cpe:/o:siemens:scalance_mum853-1_%28b1%29_firmware, cpe:/o:siemens:scalance_xcm324_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_eu_firmware, cpe:/o:siemens:scalance_m876-4_%28nam%29_firmware, cpe:/o:siemens:scalance_m812-1_adsl-router_firmware, cpe:/o:siemens:scalance_s615_eec_lan-router_firmware, cpe:/o:siemens:scalance_m874-3_3g-router_%28cn%29_firmware, cpe:/o:siemens:scalance_m826-2_shdsl-router_firmware, cpe:/o:siemens:scalance_mum856-1_%28row%29_firmware, cpe:/o:siemens:scalance_m816-1_adsl-router_firmware, cpe:/o:siemens:scalance_xcm328_firmware, cpe:/o:siemens:scalance_mum856-1_%28b1%29_firmware, cpe:/o:siemens:scalance_m876-3_%28rok%29_firmware, cpe:/o:siemens:scalance_s615_lan-router_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/13/2024

Vulnerability Publication Date: 2/13/2024

Reference Information

CVE: CVE-2023-28450

CWE: 311

ICSA: 24-319-06