CVE-2021-26116

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An improper neutralization of special elements used in an OS command vulnerability in the command line interpreter of FortiAuthenticator before 6.3.1 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to existing commands.

Una neutralización inapropiada de los elementos especiales usados en una vulnerabilidad de comandos del Sistema Operativo en el intérprete de línea de comandos de FortiAuthenticator versiones anteriores a 6.3.1, puede permitir a un atacante autenticado ejecutar comandos no autorizados por medio de argumentos específicamente diseñados para comandos existentes

*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

Local

Attack Complexity

Low

Privileges Required

High

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

2021-01-25 CVE Reserved
2022-04-06 CVE Published
2023-10-28 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://fortiguard.com/advisory/FG-IR-21-068	2022-04-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fortinet Search vendor "Fortinet"		Fortiauthenticator Search vendor "Fortinet" for product "Fortiauthenticator"				>= 5.0.0 < 6.3.1 Search vendor "Fortinet" for product "Fortiauthenticator" and version " >= 5.0.0 < 6.3.1"		-		Affected