Description
The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation. This could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Siemens / SIMATIC BRAUMAT0 – V8.1 SP1
- Siemens / SIMATIC Cloud Connect 7 CC7120 – V2.2
- Siemens / SIMATIC Cloud Connect 7 CC7160 – V2.2
- Siemens / SIMATIC Comfort/Mobile RT0 – *
- Siemens / SIMATIC Drive Controller CPU 1504D TFV3.0.1 – V3.0.3
- Siemens / SIMATIC Drive Controller CPU 1504D TF0 – V2.9.7
- Siemens / SIMATIC Drive Controller CPU 1507D TFV3.0.1 – V3.0.3
- Siemens / SIMATIC Drive Controller CPU 1507D TF0 – V2.9.7
- Siemens / SIMATIC ET 200SP CPU 1510SP-1 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP CPU 1510SP-1 PN0 – V2.9.7
- Siemens / SIMATIC ET 200SP CPU 1510SP F-1 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP CPU 1510SP F-1 PN0 – V2.9.7
- Siemens / SIMATIC ET 200SP CPU 1512SP-1 PN0 – V2.9.7
- Siemens / SIMATIC ET 200SP CPU 1512SP-1 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP CPU 1512SP F-1 PN0 – V2.9.7
- Siemens / SIMATIC ET 200SP CPU 1512SP F-1 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP CPU 1514SP-2 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP CPU 1514SP F-2 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP CPU 1514SPT-2 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP CPU 1514SPT F-2 PN0 – V3.0.3
- Siemens / SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)0 – V21.9.7
- Siemens / SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)V30.0.0 – V30.1.0
- Siemens / SIMATIC IPC DiagMonitor0 – *
- Siemens / SIMATIC NET PC Software V140 – *
- Siemens / SIMATIC NET PC Software V160 – V16 Update 8
- Siemens / SIMATIC NET PC Software V170 – V17 SP1 Update 1
- Siemens / SIMATIC NET PC Software V180 – V18 Update 1
- Siemens / SIMATIC PCS 7 V9.10 – V9.1 SP2 UC08
- Siemens / SIMATIC PCS neo V4.00 – *
- Siemens / SIMATIC S7-1500 CPU 1511-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1511-1 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1511C-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1511F-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1511F-1 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1511T-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1511T-1 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1511TF-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1511TF-1 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1512C-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1513-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1513-1 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1513F-1 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1513F-1 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1515-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1515-2 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1515F-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1515F-2 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1515T-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1515T-2 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1515TF-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1515TF-2 PN0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1516-3 PN/DP0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1516-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1516F-3 PN/DP0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU 1516F-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1516T-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1516TF-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1517-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1517F-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1517T-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1517TF-3 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1518-4 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1518-4 PN/DP MFP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1518F-4 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1518T-4 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU 1518TF-4 PN/DP0 – V3.0.3
- Siemens / SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK0 – V2.9.7
- Siemens / SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK0 – V2.9.7
- Siemens / SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN0 – V2.9.7
- Siemens / SIMATIC S7-1500 Software Controller V20 – V21.9.7
- Siemens / SIMATIC S7-1500 Software Controller V30 – V30.1.0
- Siemens / SIMATIC S7-PLCSIM Advanced0 – V5.0 Update 2
- Siemens / SIMATIC SISTAR0 – V8.1 SP1
- Siemens / SIMATIC WinCC OA V3.170 – V3.17 P029
- Siemens / SIMATIC WinCC OA V3.180 – V3.18 P019
- Siemens / SIMATIC WinCC OA V3.190 – V3.19 P005
- Siemens / SIMATIC WinCC OPC UA Client0 – V2.0.0.1
- Siemens / SIMATIC WinCC Runtime Professional V160 – *
- Siemens / SIMATIC WinCC Runtime Professional V170 – *
- Siemens / SIMATIC WinCC Runtime Professional V180 – *
- Siemens / SIMATIC WinCC Runtime Professional V190 – V19 Update 2
- Siemens / SIMATIC WinCC Unified OPC UA Server0 – V5.0.0.0
- Siemens / SIMATIC WinCC V7.40 – *
- Siemens / SIMATIC WinCC V7.50 – V7.5 SP2 Update 20
- Siemens / SIMATIC WinCC V8.00 – V8.0 Update 5
- Siemens / SINUMERIK MC0 – V1.22
- Siemens / SINUMERIK ONE0 – V6.22
- Siemens / SIPLUS ET 200SP CPU 1510SP-1 PN0 – V2.9.7
- Siemens / SIPLUS ET 200SP CPU 1510SP-1 PN RAIL0 – V2.9.7
- Siemens / SIPLUS ET 200SP CPU 1510SP F-1 PN0 – V2.9.7
- Siemens / SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL0 – V2.9.7
- Siemens / SIPLUS ET 200SP CPU 1512SP-1 PN0 – V2.9.7
- Siemens / SIPLUS ET 200SP CPU 1512SP-1 PN RAIL0 – V2.9.7
- Siemens / SIPLUS ET 200SP CPU 1512SP F-1 PN0 – V2.9.7
- Siemens / SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1511-1 PN0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1511-1 PN TX RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1511F-1 PN0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1513-1 PN0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1513F-1 PN0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1515F-2 PN0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1515F-2 PN RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1516-3 PN/DP0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1516F-3 PN/DP0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL0 – V2.9.7
- Siemens / SIPLUS S7-1500 CPU 1518-4 PN/DP0 – V3.0.3
- Siemens / SIPLUS S7-1500 CPU 1518-4 PN/DP MFP0 – V3.0.3
- Siemens / SIPLUS S7-1500 CPU 1518F-4 PN/DP0 – V3.0.3