CVE-2018-7851

CVSS V2 Medium 6.8 CVSS V3 Medium 6.5
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.
Overview
  • CVE ID
  • CVE-2018-7851
  • Assigner
  • cybersecurity@se.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-05-22T20:29:01
  • Last Modified Date
  • 2022-04-19T15:35:23
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:schneider-electric:m580_firmware:*:*:*:*:*:*:*:* 1 OR 2.50
cpe:2.3:h:schneider-electric:bmeh582040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmeh582040c:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmeh584040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmeh584040c:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmeh586040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmeh586040c:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep581020:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep581020h:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep582020:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep582020h:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep582040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep582040h:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep582040s:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep583020:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep583040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep584020:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep584040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep584040s:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep585040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep585040c:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep586040:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:modicon_m580_bmep586040c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:m340_firmware:*:*:*:*:*:*:*:* 1 OR 3.01
cpe:2.3:h:schneider-electric:bmxp341000:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp341000h:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp342000:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp3420102:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp3420102cl:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp342020:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp342020h:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp3420302:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp3420302cl:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxp3420302h:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmx\/e_cra_firmware:*:*:*:*:*:*:*:* 1 OR 2.40
cpe:2.3:h:schneider-electric:bmxcra31200:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:schneider-electric:bmxcra31210c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:140cra312xxx_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:schneider-electric:140cra312xxx:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-10/ Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7851
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7851
History
Created Old Value New Value Data Type Notes
2022-05-10 15:41:24 Added to TrackCVE
2022-12-03 21:07:24 cybersecurity@schneider-electric.com cybersecurity@se.com CVE Assigner updated
2022-12-03 21:07:24 2019-05-22T20:29Z 2019-05-22T20:29:01 CVE Published Date updated
2022-12-03 21:07:24 2022-04-19T15:35:23 CVE Modified Date updated
2022-12-03 21:07:24 Analyzed Vulnerability Status updated