National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-7851 Detail

Current Description

CWE-119: Buffer errors vulnerability exists in Modicon M580 with firmware prior to V2.50, Modicon M340 with firmware prior to V3.01, BMxCRA312xx with firmware prior to V2.40, All firmware versions of Modicon Premium and 140CRA312xxx when sending a specially crafted Modbus packet, which could cause a denial of service to the device that would force a restart to restore availability.

Source:  MITRE
Description Last Modified:  05/22/2019
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-10/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:schneider-electric:m580_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.50
Running on/with
 cpe:2.3:h:schneider-electric:bmeh582040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmeh582040c:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmeh584040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmeh584040c:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmeh586040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmeh586040c:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep581020:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep581020h:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep582020:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep582020h:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep582040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep582040h:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep582040s:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep583020:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep583040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep584020:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep584040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep584040s:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep585040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep585040c:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep586040:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmep586040c:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:schneider-electric:m340_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
3.01
Running on/with
 cpe:2.3:h:schneider-electric:bmxp341000:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp341000h:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp342000:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp3420102:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp3420102cl:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp342020:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp342020h:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp3420302:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp3420302cl:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxp3420302h:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:schneider-electric:bmx\/e_cra_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.40
Running on/with
 cpe:2.3:h:schneider-electric:bmxcra31200:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:schneider-electric:bmxcra31210c:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:schneider-electric:140cra312xxx_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:140cra312xxx:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7851
NVD Published Date:
05/22/2019
NVD Last Modified:
05/23/2019