Is CVE-2011-0507 being actively exploited?

CVE-2011-0507 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-0507?

CVE-2011-0507 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2011-0507

MEDIUM · CVSS 4.3EPSS 4.9%EU EUVD

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.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS score: 4.9% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-0527)
Published: January 20, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-0527 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

blackmoonftpserver / blackmoon ftp server
blackmoonftpserver / blackmoon ftp server
blackmoonftpserver / blackmoon ftp server

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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