// For flags

CVE-2021-4432

PCMan FTP Server USER Command denial of service

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability was found in PCMan FTP Server 2.0.7. It has been classified as problematic. This affects an unknown part of the component USER Command Handler. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250719.

Se encontró una vulnerabilidad en PCMan FTP Server 2.0.7. Ha sido clasificada como problemática. Una parte desconocida del componente USER Command Handler es afectada. La manipulación conduce a la denegación del servicio. Es posible iniciar el ataque de forma remota. La explotación ha sido divulgada al público y puede utilizarse. El identificador asociado de esta vulnerabilidad es VDB-250719.

Es wurde eine Schwachstelle in PCMan FTP Server 2.0.7 ausgemacht. Sie wurde als problematisch eingestuft. Betroffen hiervon ist ein unbekannter Ablauf der Komponente USER Command Handler. Durch das Manipulieren mit unbekannten Daten kann eine denial of service-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

*Credits: fernando.mengali
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2024-01-14 CVE Reserved
  • 2024-01-16 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-09-27 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-404: Improper Resource Shutdown or Release
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Pcman Ftp Server Project
Search vendor "Pcman Ftp Server Project"
 Pcman Ftp Server
Search vendor "Pcman Ftp Server Project" for product "Pcman Ftp Server"
 2.0.7
Search vendor "Pcman Ftp Server Project" for product "Pcman Ftp Server" and version "2.0.7"
-
Affected