| ID | Name | Product | Published | Updated | Severity |
|---|
| 155154 | Nucleus FTP Server Multiple Vulnerabilities (NUCLEUS:13) | Nessus | SCADA | 11/11/2021 | 2/12/2025 | critical |
| 500572 | Siemens Nucleus RTOS TCP/IP Stack Buffer Access with Incorrect Length Value (CVE-2021-31885) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | high |
| 500545 | Siemens Nucleus RTOS TCP/IP Stack Improper Restriction of Operations Within the Bounds of a Memory Buffer (CVE-2021-31882) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | high |
| 500527 | Siemens Nucleus RTOS TCP/IP Stack Improper Null Termination (CVE-2021-31886) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | critical |
| 500561 | Siemens Nucleus RTOS TCP/IP Stack Improper Null Termination (CVE-2021-31887) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | high |
| 500564 | Siemens Nucleus RTOS TCP/IP Stack Improper Null Termination (CVE-2021-31888) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | high |
| 500584 | Siemens Nucleus RTOS TCP/IP Stack Out-of-Bounds Read (CVE-2021-31881) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | high |
| 500547 | Siemens Nucleus RTOS TCP/IP Stack Improper Validation of Specified Quantity in Input (CVE-2021-31346) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | critical |
| 500563 | Siemens Nucleus RTOS TCP/IP Stack Improper Restriction of Operations Within the Bounds of a Memory Buffer (CVE-2021-31883) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | high |
| 500571 | Siemens Nucleus RTOS TCP/IP Stack Improper Handling of Inconsistent Structural Elements (CVE-2021-31890) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | critical |
| 500544 | Siemens Nucleus RTOS TCP/IP Stack Integer Underflow (CVE-2021-31889) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | critical |
| 500601 | Siemens Nucleus RTOS TCP/IP Stack Access of Resource Using Incompatible Type (CVE-2021-31344) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | medium |
| 500593 | Siemens Nucleus RTOS TCP/IP Stack Improper Validation of Specified Quantity in Input (CVE-2021-31345) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | critical |
| 500589 | Siemens Nucleus RTOS TCP/IP Stack Improper Null Termination (CVE-2021-31884) | Tenable OT Security | Tenable.ot | 2/7/2022 | 6/6/2025 | critical |
