Vulnerability in Schneider-Electric Modicon M221
CVE-2020-7567
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (10.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Schneider-Electric Modicon M221
- Schneider-Electric Modicon M221 Firmware
- Modicon M221, All References, Versions — versions Modicon M221, all references, all versions
Weakness classification (CWE)
References
- www.se.com/ww/en/download/document/SEVD-2020-315-05/ (Vendor Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-20-343-04 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7567?
- CVE-2020-7567 is a medium-severity vulnerability in Schneider-Electric Modicon M221, classified under Missing Encryption of Sensitive Data. CVSS score: 5.7/10. Published 2020-11-19.
- How severe is CVE-2020-7567?
- Medium severity. CVSS v3 base score is 5.7 out of 10.