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[email protected]CVE-2018-7831

HistoryNov 30, 2018 - 7:29 p.m.

CVE-2018-7831

2018-11-3019:29:00

CWE-79

CWE-352

[email protected]

web.nvd.nist.gov

cve-2018-7831

xss

modicon m340

premium

quantum plcs

bmxnor0200

web servers

password change

nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.1%

JSON

An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.

Affected configurations

NVD

Node

schneider-electricmodicom_m340_firmware

AND

schneider-electricmodicom_m340Match-

Node

schneider-electricmodicom_premium_firmware

AND

schneider-electricmodicom_premiumMatch-

Node

schneider-electricmodicom_quantum_firmware

AND

schneider-electricmodicom_quantumMatch-

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

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

www.tenable.com/security/research/tra-2018-38

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.1%

JSON

Related for CVE-2018-7831

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