Proof-of-concept exploit code has been published for critical flaws impacting the Cisco Data Center Network Manager (DCNM) tool for managing network platforms and switches. The three critical vulnerabilities in question (CVE-2019-15975, CVE-2019-15976, CVE-2019-15977) impact DCNM, a platform for managing Cisco data centers that run Cisco’s NX-OS — the network operating system used by Cisco’s Nexus-series Ethernet switches and MDS-series Fibre Channel storage area network switches.

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