CVE-2021-31340
A vulnerability has been identified in SIMATIC RF166C (All versions > V1.1 and < V1.3.2), SIMATIC RF185C (All versions > V1.1 and < V1.3.2), SIMATIC RF186C (Al…
Impact
A vulnerability has been identified in SIMATIC RF166C (All versions > V1.1 and < V1.3.2), SIMATIC RF185C (All versions > V1.1 and < V1.3.2), SIMATIC RF186C (All versions > V1.1 and < V1.3.2), SIMATIC RF186CI (All versions > V1.1 and < V1.3.2), SIMATIC RF188C (All versions > V1.1 and < V1.3.2), SIMATIC RF188CI (All versions > V1.1 and < V1.3.2), SIMATIC RF360R (All versions < V2.0), SIMATIC Reader RF610R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF610R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF610R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF615R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF615R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF615R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF650R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF650R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF680R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF680R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF685R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF685R FCC (All versions > V3.0 < V4.0). Affected devices do not properly handle large numbers of incoming connections. An attacker may leverage this to cause a Denial-of-Service situation.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Simatic Rf166c Firmware | after 1.1 before 1.3.2 |
| Siemens | Simatic Rf185c Firmware | after 1.1 before 1.3.2 |
| Siemens | Simatic Rf186c Firmware | after 1.1 before 1.3.2 |
| Siemens | Simatic Rf186ci Firmware | after 1.1 before 1.3.2 |
| Siemens | Simatic Rf188c Firmware | after 1.1 before 1.3.2 |
| Siemens | Simatic Rf188ci Firmware | after 1.1 before 1.3.2 |
| Siemens | Simatic Rf360r Firmware | before 2.0 |
| Siemens | Simatic Reader Rf610r Cmiit Firmware | from 3.0 before 4.0 |
| Siemens | Simatic Reader Rf610r Etsi Firmware | from 3.0 before 4.0 |
| Siemens | Simatic Reader Rf610r Fcc Firmware | from 3.0 before 4.0 |
| Siemens | Simatic Reader Rf615r Cmiit Firmware | from 3.0 before 4.0 |
| Siemens | Simatic Reader Rf615r Etsi Firmware | from 3.0 before 4.0 |