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

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CVE-2020-7562

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
18/11/2020
Last modified:
02/12/2020

Description

A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause a segmentation fault or a buffer overflow when uploading a specially crafted file on the controller over FTP.

Impact

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

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

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

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:schneider-electric:modicon_tsxety4103_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_tsxety4103:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_tsxety5103_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_tsxety5103:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_tsxp574634_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_tsxp574634:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_tsxp575634_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_tsxp575634:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_tsxp576634_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_tsxp576634:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_quantum_140noe77101_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_quantum_140noe77101:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_quantum_140noe77111_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:modicon_quantum_140noe77111:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_quantum_140noc78100_firmware:*:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools