Small Space of Random Values in Modicon M221 - CVE-2020-7566
Published: November 19, 2020 / Updated: December 10, 2020
Vulnerability identifier: #VU48919
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-7566
CWE-ID:
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a small space of random values issue. A remote attacker on the local network can break the encryption keys.
Affected software
Modicon M221
How to mitigate CVE-2020-7566
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.