CVE-2016-5764
CVE-2016-5764 is a high-severity vulnerability in Microfocus Rumba Ftp with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 8% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Microfocus Rumba Ftp
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2016-5764?
- 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.
- How severe is CVE-2016-5764?
- CVE-2016-5764 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-5764 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-5764?
- CVE-2016-5764 primarily affects Microfocus Rumba Ftp. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-5764?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-5764 published?
- CVE-2016-5764 was published on 2016-10-27 and last updated on 2026-06-17.
References
- http://community.microfocus.com/microfocus/mainframe_solutions/rumba/w/knowledge_base/28731.rumba-ftp-4-x-security-update.aspx
- http://www.securityfocus.com/bid/93974
- https://www.exploit-db.com/exploits/40651/
Affected products (6)
- cpe:2.3:a:microfocus:rumba_ftp:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:microfocus:rumba_ftp:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:microfocus:rumba_ftp:4.2:*:*:*:*:*:*:*
- cpe:2.3:a:microfocus:rumba_ftp:4.3:*:*:*:*:*:*:*
- cpe:2.3:a:microfocus:rumba_ftp:4.4:*:*:*:*:*:*:*
- cpe:2.3:a:microfocus:rumba_ftp:4.5:*:*:*:*:*:*:*
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