CVE-2011-0507

CVE-2011-0507 is a medium-severity vulnerability in Blackmoonftpserver Blackmoon Ftp Server with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2011-0507?
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.
How severe is CVE-2011-0507?
CVE-2011-0507 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-0507 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0507?
CVE-2011-0507 primarily affects Blackmoonftpserver Blackmoon Ftp Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0507?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0507 published?
CVE-2011-0507 was published on 2011-01-20 and last updated on 2026-06-16.

References

Affected products (3)