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nvd[email protected]NVD:CVE-2020-15783
HistoryNov 12, 2020 - 8:15 p.m.

CVE-2020-15783

2020-11-1220:15:16
CWE-400
web.nvd.nist.gov
3
simatic s7-300
simatic tdc cpu555
sinumerik 840d sl
denial-of-service
cold restart

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

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

EPSS

0.001

Percentile

42.5%

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.

Affected configurations

Nvd
Node
siemenssinumerik_840d_slMatch-
AND
siemenssinumerik_840d_sl_firmware
Node
siemenssimatic_s7-300_cpu_312Match-
AND
siemenssimatic_s7-300_cpu_312_firmware
Node
siemenssimatic_s7-300_cpu_314Match-
AND
siemenssimatic_s7-300_cpu_314_firmware
Node
siemenssimatic_s7-300_cpu_315-2_dpMatch-
AND
siemenssimatic_s7-300_cpu_315-2_dp_firmware
Node
siemenssimatic_s7-300_cpu_315-2_pnMatch-
AND
siemenssimatic_s7-300_cpu_315-2_pn_firmware
Node
siemenssimatic_s7-300_cpu_317-2_pnMatch-
AND
siemenssimatic_s7-300_cpu_317-2_pn_firmware
Node
siemenssimatic_s7-300_cpu_317-2_dpMatch-
AND
siemenssimatic_s7-300_cpu_317-2_dp_firmware
Node
siemenssimatic_s7-300_cpu_315f-2_dpMatch-
AND
siemenssimatic_s7-300_cpu_315f-2_dp_firmware
Node
siemenssimatic_s7-300_cpu_315f-2_pn_firmware
AND
siemenssimatic_s7-300_cpu_315f-2_pnMatch-
Node
siemenssimatic_s7-300_cpu_317f-2_pn_firmware
AND
siemenssimatic_s7-300_cpu_317f-2_pnMatch-
Node
siemenssimatic_s7-300_cpu_317f-2_dp_firmware
AND
siemenssimatic_s7-300_cpu_317f-2_dpMatch-
Node
siemenssimatic_tdc_cpu555_firmware
AND
siemenssimatic_tdc_cpu555Match-
VendorProductVersionCPE
siemenssinumerik_840d_sl-cpe:2.3:h:siemens:sinumerik_840d_sl:-:*:*:*:*:*:*:*
siemenssinumerik_840d_sl_firmware*cpe:2.3:o:siemens:sinumerik_840d_sl_firmware:*:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_312-cpe:2.3:h:siemens:simatic_s7-300_cpu_312:-:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_312_firmware*cpe:2.3:o:siemens:simatic_s7-300_cpu_312_firmware:*:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_314-cpe:2.3:h:siemens:simatic_s7-300_cpu_314:-:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_314_firmware*cpe:2.3:o:siemens:simatic_s7-300_cpu_314_firmware:*:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_315-2_dp-cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_dp:-:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_315-2_dp_firmware*cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_dp_firmware:*:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_315-2_pn-cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_pn:-:*:*:*:*:*:*:*
siemenssimatic_s7-300_cpu_315-2_pn_firmware*cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_pn_firmware:*:*:*:*:*:*:*:*
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CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

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

EPSS

0.001

Percentile

42.5%

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