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Cybersecurity watch

Critical Cisco Nexus 9000 Flaw Lets Unauthenticated Remote Attackers Run Code as Root

The Hacker News

Why it matters

This page references a cybersecurity signal published by The Hacker News. It helps CISOs, DPOs, IT leaders, infrastructure teams, SMBs and enterprise accounts track vulnerabilities, alerts and trends that may affect security, compliance or system resilience.

Unix Consulting read

This signal should be mapped against the application inventory, internet exposure and patch-management process. The key point is not only the existence of a vulnerability, but how quickly the organization can verify whether it is affected.

Watch points

  • Presence of the product or component in the environment
  • External exposure or administrator access
  • Patch, workaround and maintenance window

Recommended action

Check exposure against the inventory, qualify whether the component is present, then decide quickly between patching, workaround or reinforced monitoring.

Relevant for

CISOs, IT leaders, infrastructure teams, operations and application owners.

Source summary

Cisco has released patches to address a critical security flaw affecting 10 Silicon One-based Nexus 9000 switches that could allow an unauthenticated, remote attacker to execute code as root, alongside an IOS XR hardening release bundling 7 umbrella CVEs, 2 of which are rated 9.8, with no workaround for any IOS XR version. The Nexus vulnerability, tracked...

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