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SiemensCVE-2021-31340

HistoryJun 08, 2021 - 8:15 p.m.

CVE-2021-31340

2021-06-0820:15:08

CWE-400

siemens

web.nvd.nist.gov

cve-2021-31340

simatic

rf series

dos

denial-of-service

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

42.5%

JSON

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 configurations

Nvd

Node

siemenssimatic_rf166cMatch-

AND

siemenssimatic_rf166c_firmwareRange1.1–1.3.2

Node

siemenssimatic_rf185cMatch-

AND

siemenssimatic_rf185c_firmwareRange1.1–1.3.2

Node

siemenssimatic_rf186cMatch-

AND

siemenssimatic_rf186c_firmwareRange1.1–1.3.2

Node

siemenssimatic_rf186ciMatch-

AND

siemenssimatic_rf186ci_firmwareRange1.1–1.3.2

Node

siemenssimatic_rf188cMatch-

AND

siemenssimatic_rf188c_firmwareRange1.1–1.3.2

Node

siemenssimatic_rf188ciMatch-

AND

siemenssimatic_rf188ci_firmwareRange1.1–1.3.2

Node

siemenssimatic_rf360rMatch-

AND

siemenssimatic_rf360r_firmwareRange<2.0

Node

siemenssimatic_reader_rf610r_cmiitMatch-

AND

siemenssimatic_reader_rf610r_cmiit_firmwareRange3.0–4.0

Node

siemenssimatic_reader_rf610r_etsi_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf610r_etsiMatch-

Node

siemenssimatic_reader_rf610r_fcc_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf610r_fccMatch-

Node

siemenssimatic_reader_rf615r_cmiit_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf615r_cmiitMatch-

Node

siemenssimatic_reader_rf615r_etsi_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf615r_etsiMatch-

Node

siemenssimatic_reader_rf615r_fcc_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf615r_fccMatch-

Node

siemenssimatic_reader_rf650r_cmiit_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf650r_cmiitMatch-

Node

siemenssimatic_reader_rf650r_etsi_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf650r_etsiMatch-

Node

siemenssimatic_reader_rf650r_fcc_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf650r_fccMatch-

Node

siemenssimatic_reader_rf650r_arib_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf650r_aribMatch-

Node

siemenssimatic_reader_rf680r_cmiit_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf680r_cmiitMatch-

Node

siemenssimatic_reader_rf680r_etsi_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf680r_etsiMatch-

Node

siemenssimatic_reader_rf680r_fcc_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf680r_fccMatch-

Node

siemenssimatic_reader_rf680r_arib_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf680r_aribMatch-

Node

siemenssimatic_reader_rf685r_cmiit_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf685r_cmiitMatch-

Node

siemenssimatic_reader_rf685r_etsi_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf685r_etsiMatch-

Node

siemenssimatic_reader_rf685r_fcc_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf685r_fccMatch-

Node

siemenssimatic_reader_rf685r_arib_firmwareRange3.0–4.0

AND

siemenssimatic_reader_rf685r_aribMatch-

VendorProductVersionCPE
siemenssimatic_rf166c-cpe:2.3:h:siemens:simatic_rf166c:-:*:*:*:*:*:*:*
siemenssimatic_rf166c_firmware*cpe:2.3:o:siemens:simatic_rf166c_firmware:*:*:*:*:*:*:*:*
siemenssimatic_rf185c-cpe:2.3:h:siemens:simatic_rf185c:-:*:*:*:*:*:*:*
siemenssimatic_rf185c_firmware*cpe:2.3:o:siemens:simatic_rf185c_firmware:*:*:*:*:*:*:*:*
siemenssimatic_rf186c-cpe:2.3:h:siemens:simatic_rf186c:-:*:*:*:*:*:*:*
siemenssimatic_rf186c_firmware*cpe:2.3:o:siemens:simatic_rf186c_firmware:*:*:*:*:*:*:*:*
siemenssimatic_rf186ci-cpe:2.3:h:siemens:simatic_rf186ci:-:*:*:*:*:*:*:*
siemenssimatic_rf186ci_firmware*cpe:2.3:o:siemens:simatic_rf186ci_firmware:*:*:*:*:*:*:*:*
siemenssimatic_rf188c-cpe:2.3:h:siemens:simatic_rf188c:-:*:*:*:*:*:*:*
siemenssimatic_rf188c_firmware*cpe:2.3:o:siemens:simatic_rf188c_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
siemens	simatic_rf166c	-	cpe:2.3:h:siemens:simatic_rf166c:-:::::::*
siemens	simatic_rf166c_firmware	*	cpe:2.3:o:siemens:simatic_rf166c_firmware::::::::
siemens	simatic_rf185c	-	cpe:2.3:h:siemens:simatic_rf185c:-:::::::*
siemens	simatic_rf185c_firmware	*	cpe:2.3:o:siemens:simatic_rf185c_firmware::::::::
siemens	simatic_rf186c	-	cpe:2.3:h:siemens:simatic_rf186c:-:::::::*
siemens	simatic_rf186c_firmware	*	cpe:2.3:o:siemens:simatic_rf186c_firmware::::::::
siemens	simatic_rf186ci	-	cpe:2.3:h:siemens:simatic_rf186ci:-:::::::*
siemens	simatic_rf186ci_firmware	*	cpe:2.3:o:siemens:simatic_rf186ci_firmware::::::::
siemens	simatic_rf188c	-	cpe:2.3:h:siemens:simatic_rf188c:-:::::::*
siemens	simatic_rf188c_firmware	*	cpe:2.3:o:siemens:simatic_rf188c_firmware::::::::

Rows per page:

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CNA Affected

[
  {
    "product": "SIMATIC RF166C",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V1.1 and < V1.3.2"
      }
    ]
  },
  {
    "product": "SIMATIC RF185C",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V1.1 and < V1.3.2"
      }
    ]
  },
  {
    "product": "SIMATIC RF186C",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V1.1 and < V1.3.2"
      }
    ]
  },
  {
    "product": "SIMATIC RF186CI",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V1.1 and < V1.3.2"
      }
    ]
  },
  {
    "product": "SIMATIC RF188C",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V1.1 and < V1.3.2"
      }
    ]
  },
  {
    "product": "SIMATIC RF188CI",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V1.1 and < V1.3.2"
      }
    ]
  },
  {
    "product": "SIMATIC RF360R",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V2.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF610R CMIIT",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF610R ETSI",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF610R FCC",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF615R CMIIT",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF615R ETSI",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF615R FCC",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF650R ARIB",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF650R CMIIT",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF650R ETSI",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF650R FCC",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF680R ARIB",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF680R CMIIT",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF680R ETSI",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF680R FCC",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF685R ARIB",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF685R CMIIT",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF685R ETSI",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  },
  {
    "product": "SIMATIC Reader RF685R FCC",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions > V3.0 < V4.0"
      }
    ]
  }
]

References

cert-portal.siemens.com/productcert/pdf/ssa-787292.pdf

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

42.5%

JSON

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