CVE-2021-37186
Summary
| CVE | CVE-2021-37186 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-09-14 11:15:00 UTC |
| Updated | 2022-04-29 17:19:00 UTC |
| Description | A vulnerability has been identified in LOGO! CMR2020 (All versions < V2.2), LOGO! CMR2040 (All versions < V2.2), SIMATIC RTU3010C (All versions < V4.0.9), SIMATIC RTU3030C (All versions < V4.0.9), SIMATIC RTU3031C (All versions < V4.0.9), SIMATIC RTU3041C (All versions < V4.0.9). The underlying TCP/IP stack does not properly calculate the random numbers used as ISN (Initial Sequence Numbers). An adjacent attacker with network access to the LAN interface could interfere with traffic, spoof the connection and gain access to sensitive information. |
Risk And Classification
Problem Types: CWE-330
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Siemens | Logo! Cmr2020 | - | All | All | All |
| Operating System | Siemens | Logo! Cmr2020 Firmware | All | All | All | All |
| Hardware | Siemens | Logo! Cmr2040 | - | All | All | All |
| Operating System | Siemens | Logo! Cmr2040 Firmware | All | All | All | All |
| Hardware | Siemens | Simatic Rtu3010c | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3010c Firmware | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3010c Firmware | - | All | All | All |
| Hardware | Siemens | Simatic Rtu3030c | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3030c Firmware | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3030c Firmware | - | All | All | All |
| Hardware | Siemens | Simatic Rtu3031c | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3031c Firmware | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3031c Firmware | - | All | All | All |
| Hardware | Siemens | Simatic Rtu3041c | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3041c Firmware | All | All | All | All |
| Operating System | Siemens | Simatic Rtu3041c Firmware | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cert-portal.siemens.com/productcert/pdf/ssa-316383.pdf | MISC | cert-portal.siemens.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 590694 Siemens LOGO! CMR and SIMATIC RTU 3000 (Update A) Vulnerability (ICSA-21-257-13)