CVE-2015-5736

high
Published 2015-09-03 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
8.2

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.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-45149 local windows_x86-64 verified
sickness & mschenk ยท 2018-08-05

Fortinet FortiClient 5.2.3 (Windows 10 x64 Creators) - Local Privilege Escalation

Source code queued for fetch โ€” refresh in a moment.
EDB-41721 local windows_x86-64 verified
sickness ยท 2017-03-25

Fortinet FortiClient 5.2.3 (Windows 10 x64 Pre-Anniversary) - Local Privilege Escalation

Source code queued for fetch โ€” refresh in a moment.
EDB-41722 local windows_x86-64 verified
sickness ยท 2017-03-25

Fortinet FortiClient 5.2.3 (Windows 10 x64 Post-Anniversary) - Local Privilege Escalation

Source code queued for fetch โ€” refresh in a moment.

Application impact

VendorProductVersionsFixed
fortinetforticlient{"endIncluding":"5.2.3"}

References

CWEs

CWE-264

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.