CVE-2020-7494

Schneider Electric EcoStructure Operator Terminal Expert VXDZ Arbitrary Library Load Remote Code Execution Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in EcoStruxure Operator Terminal Expert 3.1 Service Pack 1 and prior (formerly known as Vijeo XD) which could cause malicious code execution when opening the project file.

Una CWE-22: Se presenta una vulnerabilidad de Limitación Inapropiada de un Nombre de Ruta en un Directorio Restringido ("Path Traversal") en EcoStruxure Operator Terminal Expert versiones 3.1 Service Pack 1 y anteriores (anteriormente conocido como Vijeo XD) que podría causar una ejecución de código malicioso cuando se abre el archivo del proyecto

The vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric EcoStructure Operator Terminal Expert. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists with the handling of VXDZ files. A crafted project file can allow the loading of an arbitrary DLL. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: Sharon Brizinov, Amir Preminger of Claroty Research

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-21 CVE Reserved
2020-05-14 CVE Published
2024-03-03 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.se.com/ww/en/download/document/SEVD-2020-133-04	2020-06-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Schneider-electric Search vendor "Schneider-electric"		Ecostruxure Operator Terminal Expert Search vendor "Schneider-electric" for product "Ecostruxure Operator Terminal Expert"				<= 3.0 Search vendor "Schneider-electric" for product "Ecostruxure Operator Terminal Expert" and version " <= 3.0"		-		Affected
Schneider-electric Search vendor "Schneider-electric"		Ecostruxure Operator Terminal Expert Search vendor "Schneider-electric" for product "Ecostruxure Operator Terminal Expert"				3.1 Search vendor "Schneider-electric" for product "Ecostruxure Operator Terminal Expert" and version "3.1"		-		Affected
Schneider-electric Search vendor "Schneider-electric"		Ecostruxure Operator Terminal Expert Search vendor "Schneider-electric" for product "Ecostruxure Operator Terminal Expert"				3.1 Search vendor "Schneider-electric" for product "Ecostruxure Operator Terminal Expert" and version "3.1"		sp1		Affected