CVE-2021-40345

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.

Se ha detectado un problema en Nagios XI versión 5.8.5. En la sección Manage Dashlets del panel de administración, un administrador puede cargar archivos ZIP. Una inyección de comando (dentro del nombre del primer archivo en el archivo) permite a un atacante ejecutar comandos del sistema

*Credits: N/A

Attack Vector

Network

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

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-31 CVE Reserved
2021-10-26 CVE Published
2022-03-03 First Exploit
2024-08-04 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

CAPEC

References (5)

URL	Tag	Source
https://synacktiv.com	Not Applicable

URL	Date	SRC
https://github.com/ArianeBlow/NagiosXI-RCE-all-version-CVE-2021-40345	2022-03-03
https://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.md	2024-08-04
https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT	2022-11-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nagios Search vendor "Nagios"		Nagios Xi Search vendor "Nagios" for product "Nagios Xi"				5.8.5 Search vendor "Nagios" for product "Nagios Xi" and version "5.8.5"		-		Affected