Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-6820

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
22/05/2019
Last modified:
03/02/2022

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

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

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

Base Score 3.x
8.20
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_m100:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_m200:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:atv_imc_drive_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:atv_imc_drive_controller:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_lmc058_firmware:*:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools