Use of Externally-Controlled Format String in Fortinet FortiProxy and FortiOS
CVE-2023-36639

7HIGH

Key Information:

Vendor
Fortinet
Status
FortiOS
FortiPAM
FortiProxy
Vendor
CVE Published:
13 December 2023

Summary

A vulnerability exists in Fortinet's FortiProxy and FortiOS due to improper handling of externally-controlled format strings. This flaw affects multiple versions and could enable an attacker to send specifically crafted API requests, leading to unauthorized execution of code or commands. Users of the affected Fortinet products should take immediate steps to mitigate this vulnerability to secure their systems.

Affected Version(s)

FortiOS 7.4.0

FortiOS 7.2.0 <= 7.2.4

FortiOS 7.0.0 <= 7.0.11

References

https://fortiguard.com/psirt/FG-IR-23-138

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.