CVE-2021-3277

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Nagios XI 5.7.5 and earlier allows authenticated admins to upload arbitrary files due to improper validation of the rename functionality in custom-includes component, which leads to remote code execution by uploading php files.

Nagios XI versiones 5.7.5 y anteriores, permiten a administradores autenticados subir archivos arbitrarios debido a la comprobación inapropiada de la funcionalidad rename en el componente custom-includes, lo que conlleva a una ejecución de código remota al subir archivos php

*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

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-22 CVE Reserved
2021-06-07 CVE Published
2023-11-20 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (1)

URL	Tag	Source
https://asaf.me/2021/01/21/nagios-xi-5-7-5-remote-code-execution	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

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"				<= 5.7.5 Search vendor "Nagios" for product "Nagios Xi" and version " <= 5.7.5"		-		Affected