The Fortishield.sys driver in Fortinet FortiClient before 5.2.4 allows local users to…
Priority LOW 36CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
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.
Why it matters now
EPSS 0.02126 82nd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-5736
- 2026-10-03 Alias added: GHSA-v2jx-hxfp-h5qq
References
Other 4
- http://www.coresecurity.com/advisories/forticlient-antivirus-multiple-vulnerabilities
- http://packetstormsecurity.com/files/133398/FortiClient-Antivirus-Information-Exposure-Access-Control.html
- http://fortiguard.com/advisory/mulitple-vulnerabilities-in-forticlient
- 20150901 [CORE-2015-0013] - FortiClient Antivirus Multiple Vulnerabilities
More Fortinet Forticlient vulnerabilities
- TI-2019-13180 An unquoted service path vulnerability in the FortiClient FortiTray component of… CVSS 3.1CRITICAL 9.8
- TI-2023-24393 Code injection in Fortinet FortiClientLinux CVSS 3.1CRITICAL 9.4
- TI-2017-10335 Information disclosure in Fortinet FortiClient for Windows CVSS 3.0HIGH 8.8
- TI-2016-06998 In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability. CVSS 3.0HIGH 8.8
- TI-2019-03954 Untrusted search path in Fortinet FortiClientWindows CVSS 3.1HIGH 8.6
- TI-2017-05007 A privilege escalation in Fortinet FortiClient Windows 5.4.3 and earlier as well as 5.6.0… CVSS 3.0HIGH 8.1
Sources
- CVE-2015-5736 · CVE Program
- CVE-2015-5736 · NVD
- FIRST EPSS
- GHSA-v2jx-hxfp-h5qq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences