CVE-2023-49621

9.8 CRITICAL
Published: January 09, 2024 Modified: December 16, 2025

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf
Source: productcert@siemens.com
Patch Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.2%
36th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

siemens