CVE Vulnerabilities

CVE-2020-7565

Inadequate Encryption Strength

Published: Nov 19, 2020 | Modified: Feb 03, 2022
CVSS 3.x
7.3
HIGH
Source:
NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 2.x
4.3 MEDIUM
AV:A/AC:M/Au:N/C:P/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.

Affected Software

Name Vendor Start Version End Version
Modicon_m221_firmware Schneider-electric - (including) - (including)

Potential Mitigations

References