PT-2023-3475 · Siemens · Simatic Cn 4100

Published 2023-07-11 · Updated 2023-07-18 · CVE-2023-29130

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SIMATIC CN 4100 versions prior to V2.5

Description The issue is related to errors in access management, specifically improper access controls in configuration files, which can lead to privilege escalation. An attacker, acting remotely, could exploit this to gain admin access and achieve complete control over the device.

Recommendations For versions prior to V2.5, update to version V2.5 or later to resolve the issue. As a temporary workaround, consider restricting access to the configuration files to minimize the risk of exploitation.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2023-03661

CVE-2023-29130

Affected Products

Simatic Cn 4100

References · 5

• https://bdu.fstec.ru/vul/2023-03661 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-29130 · Security Note
• https://osv.dev/vulnerability/CVE-2023-29130 · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-313488.pdf · Vendor Advisory
• https://t.me/cibsecurity/66345 · Telegram Post