HIGH🇵🇱 Wersja polska

CVE-2020-7566

CVSS 7.3v3.1pub. 2020-11-19upd. 2026-05-29

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 - Basic software and Modicon M221 controller.

CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

  • Schneider Electric Modicon M221

    HW
    Schneider-Electric
    all versions

  • Schneider Electric Modicon M221 Firmware

    OS
    Schneider-Electric
    all versions
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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