CVE Vulnerability

CVE-2020-7565

A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 5.5 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.3 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 5.2

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 Third Party Advisory US Government Resource
Configurations

Configuration 1
Information

Published : 2020-11-19 10:15

Updated : 2022-02-03 04:14

NVD link : CVE-2020-7565

Mitre link : CVE-2020-7565

Products Affected

Modicon M221 Firmware

Schneider-electric

CWE
CWE-326

Inadequate Encryption Strength