// For flags

CVE-2021-38438

FATEK Automation WinProladder

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A use after free vulnerability in FATEK Automation WinProladder versions 3.30 and prior may be exploited when a valid user opens a malformed project file, which may allow arbitrary code execution.

Una vulnerabilidad de uso de memoria previamente liberada en FATEK Automation WinProladder versiones 3.30 y anteriores, puede ser explotada cuando un usuario válido abre un archivo de proyecto malformado, que puede permitir la ejecución de código arbitrario

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fatek Automation WinProladder. 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 PDW files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: xina1i and Natnael Samson (@NattiSamson), working with Trend Micro’s Zero Day Initiative, reported these vulnerabilities to CISA.
CVSS Scores
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
  • 2021-08-10 CVE Reserved
  • 2021-10-14 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-11-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
References (1)
URL Tag Source
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06 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"
 Winproladder
Search vendor "Fatek" for product "Winproladder"
 <= 3.30
Search vendor "Fatek" for product "Winproladder" and version " <= 3.30"
-
Affected