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[email protected]CVE-2018-7812

HistoryDec 17, 2018 - 10:29 p.m.

CVE-2018-7812

2018-12-1722:29:00

CWE-200

[email protected]

web.nvd.nist.gov

cve-2018-7812

information exposure

discrepancy

vulnerability

modicon m340

premium

quantum plcs

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.2%

JSON

An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Affected configurations

NVD

Node

schneider-electricmodicom_m340_firmware

AND

schneider-electricmodicom_m340Match-

Node

schneider-electricmodicom_premium_firmware

AND

schneider-electricmodicom_premium

Node

schneider-electricmodicom_quantum_firmware

AND

schneider-electricmodicom_quantum

Node

schneider-electricmodicom_bmxnor0200h_firmware

AND

schneider-electricmodicom_bmxnor0200hMatch-

CPENameOperatorVersion
schneider-electric:modicom_m340_firmwareschneider-electric modicom m340 firmwareeq*

CPE	Name	Operator	Version
schneider-electric:modicom_m340_firmware	schneider-electric modicom m340 firmware	eq	*

CNA Affected

[
  {
    "product": "Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200",
    "vendor": "Schneider Electric SE",
    "versions": [
      {
        "status": "affected",
        "version": "Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200"
      }
    ]
  }
]

References

github.com/SadFud/Exploits/tree/master/Real%20World/SCADA%20-%20IOT%20Systems/CVE-2018-7812

www.schneider-electric.com/en/download/document/SEVD-2018-327-01/

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.2%

JSON

Related for CVE-2018-7812

prion1 nvd1 nessus2 cvelist1