Vulnerability Details CVE-2020-7566
A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.2%
CVSS Severity
CVSS v3 Score 7.3
CVSS v2 Score 4.3
References
Products affected by CVE-2020-7566
-
cpe:2.3:h:schneider-electric:modicon_m221:-
-
cpe:2.3:o:schneider-electric:modicon_m221_firmware:-