CVE-2011-5012
CWE-119Published: December 25, 2011· Updated: Jun 16, 2026
Official Description
Heap-based buffer overflow in the Reflection FTP Client (rftpcom.dll 7.2.0.106 and possibly other versions), as used in Attachmate Reflection 2008, Reflection 2011 R1 before 15.3.2.569 and R1 SP1 before, Reflection 2011 R2 before 15.4.1.327, Reflection Windows Client 7.2 SP1 before hotfix 7.2.1186, and Reflection 14.1 SP1 before 14.1.1.206, allows remote FTP servers to execute arbitrary code via a long directory name in a response to a LIST command.
Technical Analysis
CVE-2011-5012 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A proof-of-concept (PoC) exploit exists for CVE-2011-5012. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (18)
Quick Facts
Related CVEs (CWE-119)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-5012 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts