Siemens SCALANCE S-600 Improper Neutralization of Script-Related HTML Tags in a Web Page (CVE-2019-6585)

medium Tenable OT Security Plugin ID 500899

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been identified in SCALANCE S602 (All versions >= V3.0 and < V4.1), SCALANCE S612 (All versions >= V3.0 and < V4.1), SCALANCE S623 (All versions >= V3.0 and < V4.1), SCALANCE S627-2M (All versions >= V3.0 and < V4.1). The integrated configuration web server of the affected devices could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into accessing a malicious link.
User interaction is required for a successful exploitation. The user must be logged into the web interface in order for the exploitation to succeed.

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 has identified the following specific workarounds and mitigations that customers can apply to reduce the risk:

- For versions v3.0 and higher, Update to v4.1

- Only access links from trusted sources in the browser you use to access the SCALANCE S-600 administration website.
- For SCALANCE S-600 family (S602, S612, S623, S627-2M): migrate to a successor product within the SCALANCE SC-600 family, v2.1 or later version. For details refer to the notice of discontinuation.

For more information on these vulnerabilities and associated software updates, please see Siemens security advisory SSA-591405

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-591405.pdf

https://www.us-cert.gov/ics/advisories/icsa-20-042-10

Plugin Details

Severity: Medium

ID: 500899

Version: 1.6

Type: remote

Family: Tenable.ot

Published: 3/27/2023

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2019-6585

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_s627-2m_firmware, cpe:/o:siemens:scalance_s602_firmware, cpe:/o:siemens:scalance_s623_firmware, cpe:/o:siemens:scalance_s612_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2020

Vulnerability Publication Date: 3/10/2020

Reference Information

CVE: CVE-2019-6585

CWE: 80

ICSA: 20-042-10