CVE-2020-7567

low-risk

Published 2020-11-19

A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to find the password hash when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller and broke the encryption keys.

Do I need to act?

0.02% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.7/10 Medium

ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Modicon M221 Firmware

Affected Vendors

Schneider-Electric

References (4)

Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04

Vendor Advisory https://www.se.com/ww/en/download/document/SEVD-2020-315-05/

Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04

Vendor Advisory https://www.se.com/ww/en/download/document/SEVD-2020-315-05/

/ 100

low-risk

Severity 19/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal