CVEvulnerability
CVE-2020-7565
7.3 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-11-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.3 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.1 HIGH — CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:A/AC:M/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-326
Description
A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Affected configurations
• schneider-electric modicon m221 firmware
Related
Weakness · CWE (1)
- CWE-326 Inadequate Encryption Strength weakness
References
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 Third 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-20-343-04 Third Party Advisory, US Government Resource
- https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ Vendor Advisory