CVE-2011-0507

Blackmoon FTP Server 3.1 Build 1735-1736 - Denial of Service via PORT Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-0507. PoCs published by Craig Freyman.

AI-analyzed exploit summary This exploit triggers a denial-of-service (DoS) in BlackmoonFTP Server by sending a malformed PORT command with an oversized buffer. The repeated connections aim to crash the service.

Description

FTPService.exe in Blackmoon FTP 3.1 Build 1735 and Build 1736 (3.1.7.1736), and possibly other versions before 3.1.8.1737, allows remote attackers to cause a denial of service (crash) via a large number of PORT commands with long arguments, which triggers a NULL pointer dereference. NOTE: some of these details are obtained from third party information.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Craig Freyman · pythondoswindows
https://www.exploit-db.com/exploits/15986

This exploit triggers a denial-of-service (DoS) in BlackmoonFTP Server by sending a malformed PORT command with an oversized buffer. The repeated connections aim to crash the service.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: BlackmoonFTP Server 3.1 Release 6 - Build 1735 and 1736
No auth needed
Prerequisites: Network access to the target FTP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/64696
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/45814
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/70452
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/42933
Exploit exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/15986

Scores

EPSS 0.0492
EPSS Percentile 91.0%

Details

Status published
Products (3)
blackmoonftpserver/blackmoon_ftp_server 3.1
blackmoonftpserver/blackmoon_ftp_server 3.1.7.1735
blackmoonftpserver/blackmoon_ftp_server 3.1.7.1736
Published Jan 20, 2011
Tracked Since Feb 18, 2026