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PRIOn knowledge basePRION:CVE-2020-7542

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

Design/Logic Flaw

2020-12-1101:15:00

PRIOn knowledge base

www.prio-n.com

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

41.2%

JSON

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.

CPENameOperatorVersion
bmxp341000_firmwarelt3.30
bmxp342000_firmwarelt3.30
bmxp3420102_firmwarelt3.30
bmxp3420102cl_firmwarelt3.30
bmxp342020_firmwarelt3.30
bmxp3420302_firmwarelt3.30
bmxp3420302cl_firmwarelt3.30
modicon_m580_bmep581020_firmwarelt3.20
modicon_m580_bmep582020_firmwarelt3.20
modicon_m580_bmep582040_firmwarelt3.20

Name	Operator	Version
bmxp341000_firmware	lt	3.30
bmxp342000_firmware	lt	3.30
bmxp3420102_firmware	lt	3.30
bmxp3420102cl_firmware	lt	3.30
bmxp342020_firmware	lt	3.30
bmxp3420302_firmware	lt	3.30
bmxp3420302cl_firmware	lt	3.30
modicon_m580_bmep581020_firmware	lt	3.20
modicon_m580_bmep582020_firmware	lt	3.20
modicon_m580_bmep582040_firmware	lt	3.20

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References

www.se.com/ww/en/download/document/SEVD-2020-343-08/

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

41.2%

JSON

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