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…
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.7 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-311
- Affected
- schneider-electric/modicon m221 firmware
- Source
- cybersecurity@se.com
References
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04Third Party Advisory, US Government Resource
- https://www.se.com/ww/en/download/document/SEVD-2020-315-05/Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04Third Party Advisory, US Government Resource
- https://www.se.com/ww/en/download/document/SEVD-2020-315-05/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.