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Status published
High
CVE-2016-3949
Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12...
Vulnerability Description
Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets.
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 s7-300 with profitnet support firmware, simatic s7-300 without profitnet support firmware
Vulnerable Versions:
3.2.11, 3.3.11
Timeline
Official Publish:
June 27th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.