CVE-2021-31340
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Se ha identificado una vulnerabilidad en SIMATIC RF166C (Todas las versiones posteriores a V1.1 y y anteriores a V1.3.2), SIMATIC RF185C (Todas las versiones posteriores a V1.1 y y anteriores a V1.3.2), SIMATIC RF186C (Todas las versiones posteriores a V1. 1 y y anteriores a V1.3.2), SIMATIC RF186CI (Todas las versiones posteriores a V1.1 y y anteriores a V1.3.2), SIMATIC RF188C (Todas las versiones posteriores a V1.1 y y anteriores a V1.3.2), SIMATIC RF188CI (Todas las versiones posteriores a V1.1 y y anteriores a V1.3. 2), SIMATIC RF360R (Todas las versiones y anteriores a V2.0), SIMATIC Reader RF610R CMIIT (Todas las versiones posteriores a V3.0 y anteriores a V4.0), SIMATIC Reader RF610R ETSI (Todas las versiones posteriores a V3.0 y anteriores a V4.0), SIMATIC Reader RF610R FCC (Todas las versiones posteriores a V3. 0 y anteriores a V4.0), Lector SIMATIC RF615R CMIIT (Todas las versiones posteriores a V3.0 y anteriores a V4.0), Lector SIMATIC RF615R ETSI (Todas las versiones posteriores a V3.0 y anteriores a V4.0), Lector SIMATIC RF615R FCC (Todas las versiones posteriores a V3. 0 y anteriores a V4.0), Lector SIMATIC RF650R ARIB (Todas las versiones posteriores a V3.0 y anteriores a V4.0), Lector SIMATIC RF650R CMIIT (Todas las versiones posteriores a V3.0 y anteriores a V4.0), Lector SIMATIC RF650R ETSI (Todas las versiones posteriores a V3. 0 y anteriores a V4.0), Lector SIMATIC RF650R FCC (Todas las versiones posteriores a V3.0 y anteriores a V4.0), Lector SIMATIC RF680R ARIB (Todas las versiones posteriores a V3.0 y anteriores a V4.0), Lector SIMATIC RF680R CMIIT (Todas las versiones posteriores a V3.0 y anteriores a V4. 0), SIMATIC Reader RF680R ETSI (Todas las versiones posteriores a V3.0 y anteriores a V4.0), SIMATIC Reader RF680R FCC (Todas las versiones posteriores a V3.0 y anteriores a V4.0), SIMATIC Reader RF685R ARIB (Todas las versiones posteriores a V3.0 y anteriores a V4. 0), SIMATIC Reader RF685R CMIIT (Todas las versiones posteriores a V3.0 y anteriores a V4.0), SIMATIC Reader RF685R ETSI (Todas las versiones posteriores a V3.0 y anteriores a V4.0), SIMATIC Reader RF685R FCC (Todas las versiones posteriores a V3.0 y anteriores a V4.0). Los dispositivos afectados no manejan adecuadamente un gran número de conexiones entrantes. Un atacante puede aprovechar esto para provocar una situación de denegación de servicio
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-04-15 CVE Reserved
- 2021-06-08 CVE Published
- 2024-02-22 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-787292.pdf | 2022-10-06 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Siemens Search vendor "Siemens" | Simatic Rf166c Firmware Search vendor "Siemens" for product "Simatic Rf166c Firmware" | > 1.1 < 1.3.2 Search vendor "Siemens" for product "Simatic Rf166c Firmware" and version " > 1.1 < 1.3.2" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Rf166c Search vendor "Siemens" for product "Simatic Rf166c" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Rf185c Firmware Search vendor "Siemens" for product "Simatic Rf185c Firmware" | > 1.1 < 1.3.2 Search vendor "Siemens" for product "Simatic Rf185c Firmware" and version " > 1.1 < 1.3.2" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Rf185c Search vendor "Siemens" for product "Simatic Rf185c" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Rf186c Firmware Search vendor "Siemens" for product "Simatic Rf186c Firmware" | > 1.1 < 1.3.2 Search vendor "Siemens" for product "Simatic Rf186c Firmware" and version " > 1.1 < 1.3.2" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Rf186c Search vendor "Siemens" for product "Simatic Rf186c" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Rf186ci Firmware Search vendor "Siemens" for product "Simatic Rf186ci Firmware" | > 1.1 < 1.3.2 Search vendor "Siemens" for product "Simatic Rf186ci Firmware" and version " > 1.1 < 1.3.2" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Rf186ci Search vendor "Siemens" for product "Simatic Rf186ci" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Rf188c Firmware Search vendor "Siemens" for product "Simatic Rf188c Firmware" | > 1.1 < 1.3.2 Search vendor "Siemens" for product "Simatic Rf188c Firmware" and version " > 1.1 < 1.3.2" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Rf188c Search vendor "Siemens" for product "Simatic Rf188c" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Rf188ci Firmware Search vendor "Siemens" for product "Simatic Rf188ci Firmware" | > 1.1 < 1.3.2 Search vendor "Siemens" for product "Simatic Rf188ci Firmware" and version " > 1.1 < 1.3.2" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Rf188ci Search vendor "Siemens" for product "Simatic Rf188ci" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Rf360r Firmware Search vendor "Siemens" for product "Simatic Rf360r Firmware" | < 2.0 Search vendor "Siemens" for product "Simatic Rf360r Firmware" and version " < 2.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Rf360r Search vendor "Siemens" for product "Simatic Rf360r" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf610r Cmiit Firmware Search vendor "Siemens" for product "Simatic Reader Rf610r Cmiit Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf610r Cmiit Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf610r Cmiit Search vendor "Siemens" for product "Simatic Reader Rf610r Cmiit" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf610r Etsi Firmware Search vendor "Siemens" for product "Simatic Reader Rf610r Etsi Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf610r Etsi Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf610r Etsi Search vendor "Siemens" for product "Simatic Reader Rf610r Etsi" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf610r Fcc Firmware Search vendor "Siemens" for product "Simatic Reader Rf610r Fcc Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf610r Fcc Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf610r Fcc Search vendor "Siemens" for product "Simatic Reader Rf610r Fcc" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf615r Cmiit Firmware Search vendor "Siemens" for product "Simatic Reader Rf615r Cmiit Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf615r Cmiit Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf615r Cmiit Search vendor "Siemens" for product "Simatic Reader Rf615r Cmiit" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf615r Etsi Firmware Search vendor "Siemens" for product "Simatic Reader Rf615r Etsi Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf615r Etsi Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf615r Etsi Search vendor "Siemens" for product "Simatic Reader Rf615r Etsi" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf615r Fcc Firmware Search vendor "Siemens" for product "Simatic Reader Rf615r Fcc Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf615r Fcc Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf615r Fcc Search vendor "Siemens" for product "Simatic Reader Rf615r Fcc" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf650r Cmiit Firmware Search vendor "Siemens" for product "Simatic Reader Rf650r Cmiit Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf650r Cmiit Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf650r Cmiit Search vendor "Siemens" for product "Simatic Reader Rf650r Cmiit" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf650r Etsi Firmware Search vendor "Siemens" for product "Simatic Reader Rf650r Etsi Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf650r Etsi Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf650r Etsi Search vendor "Siemens" for product "Simatic Reader Rf650r Etsi" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf650r Fcc Firmware Search vendor "Siemens" for product "Simatic Reader Rf650r Fcc Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf650r Fcc Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf650r Fcc Search vendor "Siemens" for product "Simatic Reader Rf650r Fcc" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf650r Arib Firmware Search vendor "Siemens" for product "Simatic Reader Rf650r Arib Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf650r Arib Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf650r Arib Search vendor "Siemens" for product "Simatic Reader Rf650r Arib" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf680r Cmiit Firmware Search vendor "Siemens" for product "Simatic Reader Rf680r Cmiit Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf680r Cmiit Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf680r Cmiit Search vendor "Siemens" for product "Simatic Reader Rf680r Cmiit" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf680r Etsi Firmware Search vendor "Siemens" for product "Simatic Reader Rf680r Etsi Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf680r Etsi Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf680r Etsi Search vendor "Siemens" for product "Simatic Reader Rf680r Etsi" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf680r Fcc Firmware Search vendor "Siemens" for product "Simatic Reader Rf680r Fcc Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf680r Fcc Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf680r Fcc Search vendor "Siemens" for product "Simatic Reader Rf680r Fcc" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf680r Arib Firmware Search vendor "Siemens" for product "Simatic Reader Rf680r Arib Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf680r Arib Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf680r Arib Search vendor "Siemens" for product "Simatic Reader Rf680r Arib" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf685r Cmiit Firmware Search vendor "Siemens" for product "Simatic Reader Rf685r Cmiit Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf685r Cmiit Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf685r Cmiit Search vendor "Siemens" for product "Simatic Reader Rf685r Cmiit" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf685r Etsi Firmware Search vendor "Siemens" for product "Simatic Reader Rf685r Etsi Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf685r Etsi Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf685r Etsi Search vendor "Siemens" for product "Simatic Reader Rf685r Etsi" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf685r Fcc Firmware Search vendor "Siemens" for product "Simatic Reader Rf685r Fcc Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf685r Fcc Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf685r Fcc Search vendor "Siemens" for product "Simatic Reader Rf685r Fcc" | - | - |
Safe
|
| Siemens Search vendor "Siemens" | Simatic Reader Rf685r Arib Firmware Search vendor "Siemens" for product "Simatic Reader Rf685r Arib Firmware" | >= 3.0 < 4.0 Search vendor "Siemens" for product "Simatic Reader Rf685r Arib Firmware" and version " >= 3.0 < 4.0" | - |
Affected
| in | Siemens Search vendor "Siemens" | Simatic Reader Rf685r Arib Search vendor "Siemens" for product "Simatic Reader Rf685r Arib" | - | - |
Safe
|