// For flags

CVE-2015-5736

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

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

4
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Vulnerabilidad en el driver Fortishield.sys en Fortinet FortiClient en versiones anteriores a 5.2.4, permite a usuarios locales ejecutar código arbitrario con privilegios de kernel mediante el establecimiento de la función callback en llamada ioctl en (1) 0x220024 o (2) 0x220028.

FortiClient drivers are prone to multiple attacks and expose a wide surface that allows users to easily get SYSTEM privileges.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-08-04 CVE Reserved
  • 2015-09-02 CVE Published
  • 2018-08-05 First Exploit
  • 2024-08-06 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-264: Permissions, Privileges, and Access Controls
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Fortinet
Search vendor "Fortinet"
 Forticlient
Search vendor "Fortinet" for product "Forticlient"
 <= 5.2.3
Search vendor "Fortinet" for product "Forticlient" and version " <= 5.2.3"
-
Affected