CVE-2021-4432

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.

• CWE-404

• https://0day.today/exploit/description/36412Exploit, Third Party Advisory
• https://packetstormsecurity.com/files/163104/PCMan-FTP-Server-2.0.7-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?ctiid.250719Permissions Required, Third Party Advisory
• https://vuldb.com/?id.250719Third Party Advisory
• https://0day.today/exploit/description/36412Exploit, Third Party Advisory
• https://packetstormsecurity.com/files/163104/PCMan-FTP-Server-2.0.7-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?ctiid.250719Permissions Required, Third Party Advisory
• https://vuldb.com/?id.250719Third Party Advisory

Published

Jan 16, 2024

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-44302BaiCloud-cms v2.5.7 was discovered to contain multiple SQL i…8.8
• CVE-2021-4431A vulnerability classified as problematic has been found in …6.1
• CVE-2021-44310An issue was discovered in Firmware Analysis and Comparison …4.8
• CVE-2021-44312An issue was discovered in Firmware Analysis and Comparison …8.8
• CVE-2021-44315In Bus Pass Management System v1.0, Directory Listing/Browsi…7.5
• CVE-2021-44317In Bus Pass Management System v1.0, parameters 'pagedes' and…5.4
• CVE-2021-44321Mini-Inventory-and-Sales-Management-System is affected by Cr…5
• CVE-2021-4433A vulnerability was found in Karjasoft Sami HTTP Server 2.0.…7.5
• CVE-2021-44331ARM astcenc 3.2.0 is vulnerable to Buffer Overflow in functi…7.8
• CVE-2021-44334David Brackeen ok-file-formats 97f78ca is vulnerable to Buff…7.8
• CVE-2021-44335David Brackeen ok-file-formats 203defd is vulnerable to Buff…7.8
• CVE-2021-44339David Brackeen ok-file-formats 203defd is vulnerable to Buff…7.8