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[email protected]CVE-2020-7549

HistoryDec 11, 2020 - 1:15 a.m.

CVE-2020-7549

2020-12-1101:15:12

CWE-754

[email protected]

web.nvd.nist.gov

cve-2020-7549

cwe-754

web server

modicon m340

denial of service

http

ftp

security vulnerability

nvd

5 Medium

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.7%

JSON

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause denial of HTTP and FTP services when a series of specially crafted requests is sent to the controller over HTTP.

Affected configurations

NVD

Node

schneider-electricmodicon_m340_bmxp341000_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp341000Match-

Node

schneider-electricmodicon_m340_bmxp342000_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp342000Match-

Node

schneider-electricmodicon_m340_bmxp3420102_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420102Match-

Node

schneider-electricmodicon_m340_bmxp3420102cl_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420102clMatch-

Node

schneider-electricmodicon_m340_bmxp342020_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp342020Match-

Node

schneider-electricmodicon_m340_bmxp3420302_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420302Match-

Node

schneider-electricmodicon_m340_bmxp3420302cl_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420302clMatch-

Node

schneider-electricbmxnoe0100_firmwareRange<3.4

AND

schneider-electricbmxnoe0100Match-

Node

schneider-electricbmxnoe0110_firmwareRange<6.6

AND

schneider-electricbmxnoe0110Match-

Node

schneider-electricbmxnoc0401_firmware

AND

schneider-electricbmxnoc0401Match-

Node

schneider-electric140noe77111_firmwareRange<7.3

AND

schneider-electric140noe77111Match-

Node

schneider-electric140noc78100_firmware

AND

schneider-electric140noc78100Match-

Node

schneider-electric140noc78000_firmware

AND

schneider-electric140noc78000Match-

Node

schneider-electric140cpu65150_firmware

AND

schneider-electric140cpu65150Match-

Node

schneider-electrictsxety4103_firmware

AND

schneider-electrictsxety4103Match-

Node

schneider-electrictsxety5103_firmware

AND

schneider-electrictsxety5103Match-

Node

schneider-electrictsxp574634_firmware

AND

schneider-electrictsxp574634Match-

Node

schneider-electrictsxp575634_firmware

AND

schneider-electrictsxp575634Match-

Node

schneider-electrictsxp576634_firmware

AND

schneider-electrictsxp576634Match-

CPENameOperatorVersion
schneider-electric:modicon_m340_bmxp341000_firmwareschneider-electric modicon m340 bmxp341000 firmwarelt3.30

CPE	Name	Operator	Version
schneider-electric:modicon_m340_bmxp341000_firmware	schneider-electric modicon m340 bmxp341000 firmware	lt	3.30

CNA Affected

[
  {
    "product": "Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions)",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions)"
      }
    ]
  }
]

References

www.se.com/ww/en/download/document/SEVD-2020-343-06/

5 Medium

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.7%

JSON

Related for CVE-2020-7549

nvd1 nessus1 prion1 cvelist1