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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC BRAUMAT | < V8.1 SP1 |
| Siemens | SIMATIC Cloud Connect 7 CC712 | < V2.2 |
| Siemens | SIMATIC Cloud Connect 7 CC716 | < V2.2 |
| Siemens | SIMATIC Comfort/Mobile RT | < * |
| Siemens | SIMATIC Drive Controller CPU 1504D TF | < V2.9.7 |
| Siemens | SIMATIC Drive Controller CPU 1504D TF | >= V3.0.1, < V3.0.3 |
| Siemens | SIMATIC Drive Controller CPU 1507D TF | < V2.9.7 |
| Siemens | SIMATIC Drive Controller CPU 1507D TF | >= V3.0.1, < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1510SP F-1 PN | < V2.9.7 |
| Siemens | SIMATIC ET 200SP CPU 1510SP F-1 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1510SP-1 PN | < V2.9.7 |
| Siemens | SIMATIC ET 200SP CPU 1510SP-1 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1512SP F-1 PN | < V2.9.7 |
| Siemens | SIMATIC ET 200SP CPU 1512SP F-1 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1512SP-1 PN | < V2.9.7 |
| Siemens | SIMATIC ET 200SP CPU 1512SP-1 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1514SP F-2 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1514SP-2 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1514SPT F-2 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP CPU 1514SPT-2 PN | < V3.0.3 |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | < V21.9.7 |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | >= V30.0.0, < V30.1.0 |
| Siemens | SIMATIC IPC DiagMonitor | < * |
| Siemens | SIMATIC NET PC Software V14 | < * |
| Siemens | SIMATIC NET PC Software V16 | < V16 Update 8 |
| Siemens | SIMATIC NET PC Software V17 | < V17 SP1 Update 1 |
| Siemens | SIMATIC NET PC Software V18 | < V18 Update 1 |
| Siemens | SIMATIC PCS 7 V9.1 | < V9.1 SP2 UC08 |
| Siemens | SIMATIC PCS neo V4.0 | < * |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN | < V3.0.3 |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN | < V3.0.3 |
| Siemens | SIMATIC S7-1500 CPU 1511T-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511T-1 PN | < V3.0.3 |
| Siemens | SIMATIC S7-1500 CPU 1511TF-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511TF-1 PN | < V3.0.3 |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN | < V3.0.3 |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN | < V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN | < V3.0.3 |
| Siemens | SIMATIC S7-1500 CPU 1515-2 PN | < V2.9.7 |
References
- https://cert-portal.siemens.com/productcert/html/ssa-118850.htmlMitigation, Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-711309.htmlMitigation, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-118850.pdfMitigation, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-711309.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-118850.htmlMitigation, Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-711309.htmlMitigation, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-118850.pdfMitigation, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-711309.pdfVendor Advisory
Timeline
- Published
- Sep 12, 2023
- Last modified
- Jun 17, 2026
- NVD status
- Modified