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cve[email protected]CVE-2020-7539
HistoryDec 11, 2020 - 1:15 a.m.

CVE-2020-7539

2020-12-1101:15:00
CWE-754
[email protected]
web.nvd.nist.gov
35
1
cve-2020-7539
cwe-754
web server
modicon m340
denial of service
security vulnerability

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

6.9 Medium

AI Score

Confidence

High

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

42.1%

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 a denial of service vulnerability when a specially crafted packet is sent to the controller over HTTP.

CPENameOperatorVersion
schneider-electric:modicon_m340_bmxp341000_firmwareschneider-electric modicon m340 bmxp341000 firmwarelt3.30
schneider-electric:modicon_m340_bmxp342000_firmwareschneider-electric modicon m340 bmxp342000 firmwarelt3.30
schneider-electric:modicon_m340_bmxp3420102_firmwareschneider-electric modicon m340 bmxp3420102 firmwarelt3.30
schneider-electric:modicon_m340_bmxp3420102cl_firmwareschneider-electric modicon m340 bmxp3420102cl firmwarelt3.30
schneider-electric:modicon_m340_bmxp342020_firmwareschneider-electric modicon m340 bmxp342020 firmwarelt3.30
schneider-electric:modicon_m340_bmxp3420302_firmwareschneider-electric modicon m340 bmxp3420302 firmwarelt3.30
schneider-electric:modicon_m340_bmxp3420302cl_firmwareschneider-electric modicon m340 bmxp3420302cl firmwarelt3.30
schneider-electric:bmxnoe0100_firmwareschneider-electric bmxnoe0100 firmwarelt3.3
schneider-electric:bmxnoe0110_firmwareschneider-electric bmxnoe0110 firmwarelt6.5
schneider-electric:bmxnoc0401_firmwareschneider-electric bmxnoc0401 firmwarelt2.10
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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

6.9 Medium

AI Score

Confidence

High

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

42.1%

JSON
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