Vulnerability in Schneider-electric Modicon_m221
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 -…
EPSS: 0.000 (14.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Schneider-electric Modicon_m221
- Schneider-electric Modicon_m221_firmware
- N/a Modicon M221, All References, Versions — versions Modicon M221, all references, all versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cybersecurity@se.com (x_refsource_MISC, Vendor Advisory)
- cybersecurity@se.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-7566?
- CVE-2020-7566 is a high-severity vulnerability in Schneider-electric Modicon_m221, classified under CWE-334. CVSS score: 7.3/10. Published 2020-11-19.
- How severe is CVE-2020-7566?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2020-7566 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.