Vulnerabilities > CVE-2021-36186 - Out-of-bounds Write vulnerability in Fortinet Fortiweb

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

fortinet

CWE-787

critical

NVD

Published: 2021-11-02

Updated: 2021-11-04

Summary

A stack-based buffer overflow in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests

Vulnerable Configurations

Part	Description	Count
Application	Fortinet Fortinet Fortiweb 6.4.0 Fortinet Fortiweb 6.3.0 Fortinet Fortiweb 6.3.1 Fortinet Fortiweb 6.3.2 Fortinet Fortiweb 6.3.3 Fortinet Fortiweb 6.3.4 Fortinet Fortiweb 6.3.5 Fortinet Fortiweb 6.3.6 Fortinet Fortiweb 6.3.7 Fortinet Fortiweb 6.3.8 Fortinet Fortiweb 6.3.9 Fortinet Fortiweb 6.3.10 Fortinet Fortiweb 6.3.11 Fortinet Fortiweb 6.3.12 Fortinet Fortiweb 6.3.13 Fortinet Fortiweb 6.3.14 Fortinet Fortiweb 6.3.15 Fortinet Fortiweb 6.2.0 Fortinet Fortiweb 6.2.1 Fortinet Fortiweb 6.2.2 Fortinet Fortiweb 6.2.3 Fortinet Fortiweb 6.2.4 Fortinet Fortiweb 6.2.5	23

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

References

https://fortiguard.com/advisory/FG-IR-21-119