CVE-2021-4432
MediumCVSS 5.3Exploitation Probability (EPSS)
Elevated risk69th percentile - higher than 69% of all known CVEs
Summary
Vulnerability in PCMan FTP Server 2.0.7 in the USER Command Handler component. Manipulation leads to denial of service. The attack can be initiated remotely.
Risk Assessment
Risk of FTP service disruption, potentially affecting system availability.
Recommendation
Apply available patches or restrict access to the FTP server.
Other vulnerabilities in PCMan FTP Server
See all- CVE-2018-18861Critical
Buffer overflow in PCMan FTP Server 2.0.7 allows remote code execution via the APPE command.
- CVE-2025-5635High
Critical vulnerability in PCMan FTP Server 2.0.7, involving buffer overflow in the PLS Command Handler component.
- CVE-2025-5331High
A vulnerability has been found in PCMan FTP Server 2.0.7 and classified as critical. This vulnerability affects unknown code of the component NLST Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
- CVE-2024-0732Medium
Vulnerability in PCMan FTP Server 2.0.7, related to the STOR command handler. Manipulation leads to denial of service (DoS). The attack can be initiated remotely, and the exploit is publicly disclosed.
- CVE-2024-0731Medium
Vulnerability in PCMan FTP Server 2.0.7, related to the PUT command handler. Manipulation leads to denial of service (DoS). The attack can be initiated remotely, and the exploit is publicly disclosed.
Original NVD description (English source)
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.