Siemens POWER METER SICAM Q100 Stack-Based Buffer Overflow (CVE-2021-44165)

high Tenable OT Security Plugin ID 501074

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41). The affected firmware contains a buffer overflow vulnerability in the web application that could allow a remote attacker with engineer or admin priviliges to potentially perform remote code execution.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Siemens recommends the following:

- Update to v2.41 or later version
- Restrict access to the web server, e.g., with a firewall, and ensure that the privileged accounts are protected by strong passwords.

As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security, and following the recommendations in the product manuals. Additional information on industrial security by Siemens can be found at:
https://www.siemens.com/industrialsecurity

For more information see Siemens Security Advisory SSA-496292

Plugin Details

Severity: High

ID: 501074

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 4/20/2023

Updated: 3/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2021-44165

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

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

Vulnerability Information

CPE: cpe:/o:siemens:7kg9501-0aa01-0aa1_firmware, cpe:/o:siemens:7kg9501-0aa01-2aa1_firmware, cpe:/o:siemens:7kg9501-0aa31-0aa1_firmware, cpe:/o:siemens:7kg9501-0aa31-2aa1_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 12/14/2021

Vulnerability Publication Date: 12/14/2021

Reference Information

CVE: CVE-2021-44165

CWE: 121

Detections

Analytics