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Honeywell Alert

2491
Classification
These posts contain security alerts, including digital loopholes, electronic attacks, technical updates, and they are classified base on the level of severity.

● Critical

● High

● Medium

● Low

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Warning Date

Severity Level

Warning Number

Target Sector

6 October, 2021

● Critical

2021-3629

Manufacturing

Description:

Honeywell has released a security alert to address several vulnerabilities in the following product:

  • Experion PKS
    • C200: All versions
    • C200E: All versions
    • C300 and ACE controllers: All versions

Threats:

Attacker could exploit these vulnerabilities by doing the following:

  • Denial of service attack (DoS)
  • Execute arbitrary code -remotely

Best practice and Recommendations:

The CERT team encourages users to apply best practice:

  • Minimizing network exposure for all control system devices and/or systems
  • Locating control system networks and devices behind firewalls and isolating them from the enterprise/business network
  • When remote access is required, use secure methods such as virtual private networks (VPNs)
  • https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf

Last updated at 6 October, 2021

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