CVE-2021-32931

Fatek Automation FvDesigner FPJ File Parsing Uninitialized Pointer 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

An uninitialized pointer in FATEK Automation FvDesigner, Versions 1.5.88 and prior may be exploited while the application is processing project files, allowing an attacker to craft a special project file that may permit arbitrary code execution.

Un puntero no inicializado en FATEK Automation FvDesigner, Versiones 1.5.88 y anteriores, puede ser explotado mientras la aplicación está procesando archivos de proyecto, permitiendo a un atacante diseñar un archivo de proyecto especial que puede permitir una ejecución de código arbitrario

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fatek Automation FvDesigner. 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 within the parsing of FPJ files. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: Anonymous

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

2021-05-13 CVE Reserved
2021-08-11 CVE Published
2024-07-30 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-824: Access of Uninitialized Pointer

CAPEC

References (3)

URL	Tag	Source
https://us-cert.cisa.gov/ics/advisories/icsa-21-217-02	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1027	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1030	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
Fatek Search vendor "Fatek"		Fvdesigner Search vendor "Fatek" for product "Fvdesigner"				<= 1.5.88 Search vendor "Fatek" for product "Fvdesigner" and version " <= 1.5.88"		-		Affected