Connectrix: Is OpenBSD 4.0, FreeBSD 6.2-RELEASE, or OpenBSD 4.3 running in switch firmware Cisco MDS firmware 8.4(2)

Summary: Security Vulnerability question: Is OpenBSD 4.0, FreeBSD 6.2-RELEASE, or OpenBSD 4.3 running in switch firmware Cisco MDS firmware 8.4(2)?

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Symptoms

Is OpenBSD 4.0, FreeBSD 6.2-RELEASE, or OpenBSD 4.3 running in switch firmware Cisco MDS firmware 8.4(2)?

Cause

Concern over CVEs which may affect this firmware:     
  • CVE-2020-7461
  • CVE-2016-20009
  • CVE-2020-15795
  • CVE-2020-27009
  • CVE-2020-27736
  • CVE-2020-27737
  • CVE-2020-27738
  • CVE-2021-25677

Resolution

Cisco support confirmed that MDS 9000 series firmware NX-OS 8.4(2) is not running “OpenBSD 4.0, FreeBSD 6.2-RELEASE, OpenBSD 4.3.
Article Properties
Article Number: 000185865
Article Type: Solution
Last Modified: 09 May 2026
Version:  4
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