Siemens SCALANCE X Switches XSS

medium Nessus Network Monitor Plugin ID 720143

Synopsis

A cross-site scripting vulnerability exists in Siemens SCALANCE X switch web servers.

Description

A vulnerability has been identified in SCALANCE X-200 IRT (All versions < V5.4.1), SCALANCE X300 (All versions). A remote, authenticated attacker with access to the configuration web server could be able to store script code on the web site, if the HRP redundancy option is set. This code could be executed in the web browser of victims visiting this web site (XSS), affecting its confidentiality, integrity and availability. User interaction is required for successful exploitation, as the user needs to visit the manipulated web site.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://ics-cert.us-cert.gov/advisories/ICSA-18-163-02,http://www.securityfocus.com/bid/104494,https://cert-portal.siemens.com/productcert/pdf/ssa-480829.pdf

Plugin Details

Severity: Medium

ID: 720143

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

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

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

Vulnerability Information

Patch Publication Date: 6/12/2018

Vulnerability Publication Date: 6/12/2018

Reference Information

CVE: CVE-2018-4842

BID: 104494