CVE-2021-31340
First published: Tue Jun 08 2021(Updated: )
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.
Credit: productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| siemens simatic rf166c firmware | >1.1<1.3.2 | |
| siemens simatic rf166c | ||
| Siemens Simatic RF185C Firmware | >1.1<1.3.2 | |
| Siemens Simatic RF185C Firmware | ||
| Siemens Simatic RF186C | >1.1<1.3.2 | |
| Siemens Simatic RF186C | ||
| Siemens Simatic RF186CI | >1.1<1.3.2 | |
| Siemens Simatic RF186CI | ||
| Siemens SIMATIC RF188C Firmware | >1.1<1.3.2 | |
| Siemens Simatic RF188C | ||
| Siemens Simatic RF188CI Firmware | >1.1<1.3.2 | |
| Siemens Simatic RF188CI Firmware | ||
| siemens simatic rf360r firmware | <2.0 | |
| siemens simatic rf360r | ||
| Siemens SIMATIC Reader RF610R CMIIT | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF610R | ||
| Siemens SIMATIC Reader RF610R ETSI | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF610R | ||
| Siemens SIMATIC Reader RF610R FCC | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF610R | ||
| Siemens SIMATIC Reader RF615R CMIIT | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF615R CMIIT | ||
| Siemens SIMATIC Reader RF615R ETSI | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF615R ETSI firmware | ||
| Siemens SIMATIC Reader RF615R FCC | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF615R CMIIT | ||
| Siemens SIMATIC Reader RF650R CMIIT | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF650R FCC | ||
| siemens SIMATIC Reader RF650R ETSI firmware | >=3.0<4.0 | |
| siemens SIMATIC Reader RF650R ETSI | ||
| Siemens SIMATIC Reader RF650R FCC | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF650R FCC firmware | ||
| Siemens SIMATIC Reader RF650R ARIB firmware | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF650R ARIB firmware | ||
| siemens SIMATIC Reader RF680R CMIIT | >=3.0<4.0 | |
| siemens SIMATIC Reader RF680R CMIIT | ||
| Siemens SIMATIC Reader RF680R ETSI | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF680R ETSI | ||
| Siemens SIMATIC Reader RF680R FCC | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF680R FCC | ||
| Siemens SIMATIC RF680R ARIB | >=3.0<4.0 | |
| Siemens SIMATIC RF680R ARIB | ||
| Siemens SIMATIC Reader RF685R CMIIT Firmware | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF685R CMIIT | ||
| siemens SIMATIC Reader RF685R ETSI | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF685R ETSI Firmware | ||
| Siemens SIMATIC Reader RF685R FCC | >=3.0<4.0 | |
| Siemens SIMATIC Reader RF685R FCC | ||
| siemens SIMATIC Reader RF685R ARIB | >=3.0<4.0 | |
| siemens SIMATIC Reader RF685R ARIB firmware |
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Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-31340.
Which products are affected by the vulnerability?
The SIMATIC RF166C, SIMATIC RF185C, SIMATIC RF186C, SIMATIC RF186CI, and SIMATIC RF188C are affected.
What is the severity of CVE-2021-31340?
The severity of CVE-2021-31340 is high with a CVSS score of 7.5.
How do I fix CVE-2021-31340?
To fix CVE-2021-31340, update to versions higher than V1.1 and lower than V1.3.2 for the affected products.
Where can I find more information about CVE-2021-31340?
You can find more information about CVE-2021-31340 at https://cert-portal.siemens.com/productcert/pdf/ssa-787292.pdf.
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- agent/severity
- agent/references
- agent/remedy
- agent/author
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/siemens
- canonical/siemens simatic rf166c firmware
- canonical/siemens simatic rf166c
- canonical/siemens simatic rf185c firmware
- canonical/siemens simatic rf186c
- canonical/siemens simatic rf186ci
- canonical/siemens simatic rf188c firmware
- canonical/siemens simatic rf188c
- canonical/siemens simatic rf188ci firmware
- canonical/siemens simatic rf360r firmware
- canonical/siemens simatic rf360r
- canonical/siemens simatic reader rf610r cmiit
- version/siemens simatic reader rf610r cmiit/3.0
- canonical/siemens simatic reader rf610r
- canonical/siemens simatic reader rf610r etsi
- version/siemens simatic reader rf610r etsi/3.0
- canonical/siemens simatic reader rf610r fcc
- version/siemens simatic reader rf610r fcc/3.0
- canonical/siemens simatic reader rf615r cmiit
- version/siemens simatic reader rf615r cmiit/3.0
- canonical/siemens simatic reader rf615r etsi
- version/siemens simatic reader rf615r etsi/3.0
- canonical/siemens simatic reader rf615r etsi firmware
- canonical/siemens simatic reader rf615r fcc
- version/siemens simatic reader rf615r fcc/3.0
- canonical/siemens simatic reader rf650r cmiit
- version/siemens simatic reader rf650r cmiit/3.0
- canonical/siemens simatic reader rf650r fcc
- canonical/siemens simatic reader rf650r etsi firmware
- version/siemens simatic reader rf650r etsi firmware/3.0
- canonical/siemens simatic reader rf650r etsi
- version/siemens simatic reader rf650r fcc/3.0
- canonical/siemens simatic reader rf650r fcc firmware
- canonical/siemens simatic reader rf650r arib firmware
- version/siemens simatic reader rf650r arib firmware/3.0
- canonical/siemens simatic reader rf680r cmiit
- version/siemens simatic reader rf680r cmiit/3.0
- canonical/siemens simatic reader rf680r etsi
- version/siemens simatic reader rf680r etsi/3.0
- canonical/siemens simatic reader rf680r fcc
- version/siemens simatic reader rf680r fcc/3.0
- canonical/siemens simatic rf680r arib
- version/siemens simatic rf680r arib/3.0
- canonical/siemens simatic reader rf685r cmiit firmware
- version/siemens simatic reader rf685r cmiit firmware/3.0
- canonical/siemens simatic reader rf685r cmiit
- canonical/siemens simatic reader rf685r etsi
- version/siemens simatic reader rf685r etsi/3.0
- canonical/siemens simatic reader rf685r etsi firmware
- canonical/siemens simatic reader rf685r fcc
- version/siemens simatic reader rf685r fcc/3.0
- canonical/siemens simatic reader rf685r arib
- version/siemens simatic reader rf685r arib/3.0
- canonical/siemens simatic reader rf685r arib firmware