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Status published
High
CVE-2023-46156
Affected devices improperly handle specially crafted packets sent to port...
Vulnerability Description
Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.
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.
References
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Affected Vendor
Siemens
View all reports →Affected Software
SIMATIC Drive Controller CPU 1504D TF, SIMATIC Drive Controller CPU 1507D TF, SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants), SIMATIC S7-1500 CPU 1510SP F-1 PN, SIMATIC S7-1500 CPU 1510SP-1 PN, SIMATIC S7-1500 CPU 1511-1 PN, SIMATIC S7-1500 CPU 1511C-1 PN, SIMATIC S7-1500 CPU 1511F-1 PN, SIMATIC S7-1500 CPU 1511T-1 PN, SIMATIC S7-1500 CPU 1511TF-1 PN, SIMATIC S7-1500 CPU 1512C-1 PN, SIMATIC S7-1500 CPU 1512SP F-1 PN, SIMATIC S7-1500 CPU 1512SP-1 PN, SIMATIC S7-1500 CPU 1513-1 PN, SIMATIC S7-1500 CPU 1513F-1 PN, SIMATIC S7-1500 CPU 1513R-1 PN, SIMATIC S7-1500 CPU 1514SP F-2 PN, SIMATIC S7-1500 CPU 1514SP-2 PN, SIMATIC S7-1500 CPU 1514SPT F-2 PN, SIMATIC S7-1500 CPU 1514SPT-2 PN, SIMATIC S7-1500 CPU 1515-2 PN, SIMATIC S7-1500 CPU 1515F-2 PN, SIMATIC S7-1500 CPU 1515R-2 PN, SIMATIC S7-1500 CPU 1515T-2 PN, SIMATIC S7-1500 CPU 1515TF-2 PN, SIMATIC S7-1500 CPU 1516-3 PN/DP, SIMATIC S7-1500 CPU 1516F-3 PN/DP, SIMATIC S7-1500 CPU 1516T-3 PN/DP, SIMATIC S7-1500 CPU 1516TF-3 PN/DP, SIMATIC S7-1500 CPU 1517-3 PN/DP, SIMATIC S7-1500 CPU 1517F-3 PN/DP, SIMATIC S7-1500 CPU 1517H-3 PN, SIMATIC S7-1500 CPU 1517T-3 PN/DP, SIMATIC S7-1500 CPU 1517TF-3 PN/DP, SIMATIC S7-1500 CPU 1518-4 PN/DP, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518HF-4 PN, SIMATIC S7-1500 CPU 1518T-4 PN/DP, SIMATIC S7-1500 CPU 1518TF-4 PN/DP, SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK, SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK, SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN, SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN, SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN, SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN, SIMATIC S7-1500 Software Controller, SIMATIC S7-PLCSIM Advanced, SINUMERIK MC, SINUMERIK ONE, SIPLUS ET 200SP CPU 1510SP F-1 PN, SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL, SIPLUS ET 200SP CPU 1510SP-1 PN, SIPLUS ET 200SP CPU 1510SP-1 PN RAIL, SIPLUS ET 200SP CPU 1512SP F-1 PN, SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL, SIPLUS ET 200SP CPU 1512SP-1 PN, SIPLUS ET 200SP CPU 1512SP-1 PN RAIL, SIPLUS S7-1500 CPU 1511-1 PN, SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL, SIPLUS S7-1500 CPU 1511-1 PN TX RAIL, SIPLUS S7-1500 CPU 1511F-1 PN, SIPLUS S7-1500 CPU 1513-1 PN, SIPLUS S7-1500 CPU 1513F-1 PN, SIPLUS S7-1500 CPU 1515F-2 PN, SIPLUS S7-1500 CPU 1515F-2 PN RAIL, SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL, SIPLUS S7-1500 CPU 1515R-2 PN, SIPLUS S7-1500 CPU 1515R-2 PN TX RAIL, SIPLUS S7-1500 CPU 1516-3 PN/DP, SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL, SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL, SIPLUS S7-1500 CPU 1516F-3 PN/DP, SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL, SIPLUS S7-1500 CPU 1517H-3 PN, SIPLUS S7-1500 CPU 1518-4 PN/DP, SIPLUS S7-1500 CPU 1518-4 PN/DP MFP, SIPLUS S7-1500 CPU 1518F-4 PN/DP, SIPLUS S7-1500 CPU 1518HF-4 PN
Vulnerable Versions:
0
Timeline
Official Publish:
December 12th, 2023
Last Modified:
February 25th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C