ICSA-20-343-04

icsaUScisa_csaf_ot

Schneider Electric Modicon M221 Programmable Logic Controller

Advisory ansehen veröffentlicht 2020-12-08

Successful exploitation of these vulnerabilities could allow an attacker to take control over the PLC and gain unauthorized access, which could result in exposure of sensitive information.

01

beschreibt (5)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2020-28214USmedium5.5—
A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash v…
CVE-2020-7568USmedium4.3—
A CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exists in Modicon M221 (all references, all versions) that could allow non sensitive information…
CVE-2020-7567USmedium5.7OT erhöht—
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…
CVE-2020-7566UShigh7.3—
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 atta…
CVE-2020-7565UShigh7.3—
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 att…
02

Referenzen

Externe Belege — Patches, Meldungen, Analysen.

03

Behebungen (10)

  • MitigationModicon M221

    Install physical controls so no unauthorized personnel can access industrial control and safety systems, components, peripheral equipment, and networks.

  • MitigationModicon M221

    Install physical controls so no unauthorized personnel can access industrial control and safety systems, components, peripheral equipment, and networks.

  • MitigationModicon M221

    Install physical controls so no unauthorized personnel can access industrial control and safety systems, components, peripheral equipment, and networks.

  • MitigationModicon M221

    Install physical controls so no unauthorized personnel can access industrial control and safety systems, components, peripheral equipment, and networks.

  • MitigationModicon M221

    Install physical controls so no unauthorized personnel can access industrial control and safety systems, components, peripheral equipment, and networks.

  • BehobenModicon M221

    Within the Modicon M221 application, the user must: Disable all unused protocols, especially programming protocol, as described in section “Configuring Ethernet Network” of EcoStruxure Machine Expert - Basic online help for the M221 PLC. This action will prevent unintended remote programming access.;Set a password to protect the project.;Set a password for read access on the controller.;Set a different password for write access on the controller.

  • BehobenModicon M221

    Within the Modicon M221 application, the user must: Disable all unused protocols, especially programming protocol, as described in section “Configuring Ethernet Network” of EcoStruxure Machine Expert - Basic online help for the M221 PLC. This action will prevent unintended remote programming access.;Set a password to protect the project.;Set a password for read access on the controller.;Set a different password for write access on the controller.

  • BehobenModicon M221

    Within the Modicon M221 application, the user must: Disable all unused protocols, especially programming protocol, as described in section “Configuring Ethernet Network” of EcoStruxure Machine Expert - Basic online help for the M221 PLC. This action will prevent unintended remote programming access.;Set a password to protect the project.;Set a password for read access on the controller.;Set a different password for write access on the controller.

  • BehobenModicon M221

    Within the Modicon M221 application, the user must: Disable all unused protocols, especially programming protocol, as described in section “Configuring Ethernet Network” of EcoStruxure Machine Expert - Basic online help for the M221 PLC. This action will prevent unintended remote programming access.;Set a password to protect the project.;Set a password for read access on the controller.;Set a different password for write access on the controller.

  • BehobenModicon M221

    Within the Modicon M221 application, the user must: Disable all unused protocols, especially programming protocol, as described in section “Configuring Ethernet Network” of EcoStruxure Machine Expert - Basic online help for the M221 PLC. This action will prevent unintended remote programming access.;Set a password to protect the project.;Set a password for read access on the controller.;Set a different password for write access on the controller.

scry

Advisories wie diese benennen die exponierten Produkte, die Angreifer auf Ihrer Angriffsfläche ins Visier nehmen. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.

Kostenloser Scan