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Status published
Critical
CVE-2023-49621
A vulnerability has been identified in SIMATIC CN 4100 (All...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Siemens
View all reports →Affected Software
SIMATIC CN 4100
Vulnerable Versions:
All versions < V2.7
Timeline
Official Publish:
January 9th, 2024
Last Modified:
June 17th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.