CVE-2021-33841

Circutor SGE-PLC1000 OS command Injection

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.

Un dispositivo SGE-PLC1000, en su versión de firmware 0.9.2b, no maneja algunas peticiónes correctamente, permitiendo a un atacante remoto inyectar código en el sistema operativo con máximos privilegios

*Credits: Industrial Cybersecurity team of S21sec, special mention to Aarón Flecha Menéndez.

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-04 CVE Reserved
2021-06-09 CVE Published
2024-02-22 EPSS Updated
2024-09-16 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
https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection	X_refsource_confirm

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
Circutor Search vendor "Circutor"	Sge-plc1000 Firmware Search vendor "Circutor" for product "Sge-plc1000 Firmware"	0.9.2b Search vendor "Circutor" for product "Sge-plc1000 Firmware" and version "0.9.2b"	-	Affected	in	Circutor Search vendor "Circutor"	Sge-plc1000 Search vendor "Circutor" for product "Sge-plc1000"	-	-	Safe