National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-6820 Detail

Current Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.2 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H (V3 legend)
Impact Score: 4.2
Exploitability Score: 3.9


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

CVSS v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
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-2019-134-02/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Missing Authentication for Critical Function (CWE-306)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_m100:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_m200:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

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

Configuration 5 ( hide )
 cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 6 ( hide )
 cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 7 ( hide )
 cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 8 ( hide )
 cpe:2.3:o:schneider-electric:modicon_lmc058_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_lmc058:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 9 ( hide )
 cpe:2.3:o:schneider-electric:modicon_lmc078_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:modicon_lmc078:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 10 ( hide )
 cpe:2.3:o:schneider-electric:pacdrive_eco_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:pacdrive_eco:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 11 ( hide )
 cpe:2.3:o:schneider-electric:pacdrive_pro_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:pacdrive_pro:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 12 ( hide )
 cpe:2.3:o:schneider-electric:pacdrive_pro2_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:schneider-electric:pacdrive_pro2:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-6820
NVD Published Date:
05/22/2019
NVD Last Modified:
05/24/2019