CyberAlerts is shutting down on June 30th, 2025. Thank you for your support!

CVE-2025-4253: PCMan FTP Server HASH Command buffer overflow

6.9 CVSS

Description

A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component HASH Command Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. In PCMan FTP Server 2.0.7 wurde eine kritische Schwachstelle ausgemacht. Betroffen ist eine unbekannte Verarbeitung der Komponente HASH Command Handler. Mittels Manipulieren mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-4253

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.9

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Problem Types

Buffer Overflow Memory Corruption

Affected Products

Vendor: PCMan

Product: FTP Server

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 18.4% (scored less or equal to compared to others)

EPSS Date: 2025-06-02 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4253
https://vuldb.com/?id.307357
https://vuldb.com/?ctiid.307357
https://vuldb.com/?submit.561609
https://fitoxs.com/exploit/exploit-6a5b279ed51b35667909c1b56d4d85d71d41bc6e73d4fbbf3de2b1f59ebd6d08.txt

Timeline