CVE-2021-36190

MediumCVSS 6.3/10Last modified Jun 17, 2026

Description

A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected software

Vendor	Product	Versions
Fortinet	Fortinet FortiWeb	FortiWeb 6.4.1, 6.4.0, 6.3.15, 6.3.14, 6.3.13, 6.3.12, 6.3.11, 6.3.10, 6.3.9, 6.3.8, 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.1, 6.3.0, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.1.2, 6.1.1, 6.1.0, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0

References

https://fortiguard.com/advisory/FG-IR-21-123Patch, Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-123Patch, Vendor Advisory

Timeline

Published: Dec 8, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-361915.4A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to use CVE-2021-361923.8An exposure of sensitive information to an unauthorized actor [CWE-200] vulnerability in FortiManager 7.0.1 and below, 6.4.6 and below, 6.2.CVE-2021-361937.2Multiple stack-based buffer overflows in the command line interpreter of FortiWeb before 6.4.2 may allow an authenticated attacker to achiev CVE-2021-361948.8Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated a CVE-2021-361958.8Multiple command injection vulnerabilities in the command line interpreter of FortiWeb versions 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 th CVE-2021-361987.5Successful exploitation of this vulnerability could allow an unauthorized user to access sensitive data.CVE-2021-361995.3Running a vulnerability scanner against VideoEdge NVRs can cause some functionality to stop.CVE-2021-36205.5A flaw was found in Ansible Engine's ansible-connection module, where sensitive information such as the Ansible user credentials is disclose CVE-2021-362005.3Under certain circumstances an unauthenticated user could access the the web API for Metasys ADS/ADX/OAS 10 versions prior to 10.1.6 and 11 CVE-2021-362015.3Under certain circumstances a CCURE Portal user could enumerate user accounts in CCURE 9000 version 2.90 and prior versions.CVE-2021-362028.8Server-Side Request Forgery (SSRF) vulnerability in Johnson Controls Metasys could allow an authenticated attacker to inject malicious code CVE-2021-362039.1The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.