Medium severity5.3NVD Advisory· Published Jul 13, 2018· Updated Jun 17, 2026

CVE-2016-9499

Description

Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server response if the username is invalid. An attacker may use this information to determine valid user accounts and enumerate them.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Accellion/FTP serverllm-create
Range: < FTA_9_12_220
Accellion/FTAllm-fuzzy
Range: < FTA_9_12_220
Accellion/FTP Serverv5
Range: FTA_9_12_220

Patches

Vulnerability mechanics

References

www.qualys.com/2016/12/06/qsa-2016-12-06/qsa-2016-12-06.pdfnvdExploitThird Party Advisory
www.kb.cert.org/vuls/id/745607nvdThird Party AdvisoryUS Government Resource
www.securityfocus.com/bid/96154nvdThird Party AdvisoryVDB Entry

News mentions

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cvss	0.345
epss	0.006
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000