CVE-2021-36194

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Multiple 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 attacker to achieve arbitrary code execution via specially crafted requests.

Múltiples desbordamientos de búfer en la región stack de la memoria en los controladores de la API de FortiWeb versiones 6.4.1, 6.4.0 y 6.3.0 hasta 6.3.15, pueden permitir a un atacante autenticado lograr la ejecución de código arbitrario por medio de peticiones especialmente diseñadas

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-06 CVE Reserved
2021-12-09 CVE Published
2023-07-02 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://fortiguard.com/advisory/FG-IR-21-152	2021-12-10

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fortinet Search vendor "Fortinet"		Fortiweb Search vendor "Fortinet" for product "Fortiweb"				>= 6.3.0 <= 6.3.15 Search vendor "Fortinet" for product "Fortiweb" and version " >= 6.3.0 <= 6.3.15"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiweb Search vendor "Fortinet" for product "Fortiweb"				6.4.0 Search vendor "Fortinet" for product "Fortiweb" and version "6.4.0"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiweb Search vendor "Fortinet" for product "Fortiweb"				6.4.1 Search vendor "Fortinet" for product "Fortiweb" and version "6.4.1"		-		Affected