Siemens SCALANCE M875 Arbitrary OS Command Execution (CVE-2018-4859)

high Tenable OT Security Plugin ID 501022

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been identified in SCALANCE M875 (All versions).
An authenticated remote attacker with access to the web interface (443/tcp), could execute arbitrary operating system commands.
Successful exploitation requires that the attacker has network access to the web interface. The attacker must be authenticated as administrative user to exploit the security vulnerability. The vulnerability could allow an attacker to execute arbitrary code on the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

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-977428.pdf

Plugin Details

Severity: High

ID: 501022

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 4/11/2023

Updated: 8/24/2023

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-2018-4859

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:scalance_m875_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 6/26/2018

Vulnerability Publication Date: 6/26/2018

Reference Information

CVE: CVE-2018-4859

CWE: 78