CVE-2016-5764

HIGH

Micro Focus Rumba FTP <4.5 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-5764. PoCs published by Umit Aksu.

AI-analyzed exploit summary This exploit demonstrates a stack-based buffer overflow in Micro Focus Rumba FTP Client 4.x by sending a maliciously long directory name via a rogue FTP server. It overwrites SEH/NSEH to achieve remote code execution on the client.

Description

Micro Focus Rumba FTP 4.X client buffer overflow makes it possible to corrupt the stack and allow arbitrary code execution. Fixed in: Rumba FTP 4.5 (HF 14668). This can only occur if a client connects to a malicious server.

Exploits (1)

exploitdb WORKING POC
by Umit Aksu · pythonremotewindows
https://www.exploit-db.com/exploits/40651

This exploit demonstrates a stack-based buffer overflow in Micro Focus Rumba FTP Client 4.x by sending a maliciously long directory name via a rogue FTP server. It overwrites SEH/NSEH to achieve remote code execution on the client.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Micro Focus Rumba FTP Client 4.x
No auth needed
Prerequisites: Network access to the target · Target must connect to the malicious FTP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/93974
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/40651/

Scores

CVSS v3 8.8
EPSS 0.0776
EPSS Percentile 93.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (7)
microfocus/rumba_ftp 4.0
microfocus/rumba_ftp 4.1
microfocus/rumba_ftp 4.2
microfocus/rumba_ftp 4.3
microfocus/rumba_ftp 4.4
microfocus/rumba_ftp 4.5
n/a/Micro Focus Rumba FTP 4.X before 4.5 (HF 14668) Micro Focus Rumba FTP 4.X before 4.5 (HF 14668)
Published Oct 27, 2016
Tracked Since Feb 18, 2026