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[email protected]CVE-2018-7830

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

CVE-2018-7830

2018-11-3019:29:00

CWE-113

[email protected]

web.nvd.nist.gov

cve-2018-7830

http response splitting

crlf sequences

embedded web servers

denial of service

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

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

7.4 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.5%

JSON

Improper Neutralization of CRLF Sequences in HTTP Headers (‘HTTP Response Splitting’) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where a denial of service can occur for ~1 minute by sending a specially crafted HTTP request.

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

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

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

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

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

7.4 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.5%

JSON

Related for CVE-2018-7830

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